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Finding the Fourth Proportional to 239,841,386.20, 359,762,079.30 and 239,841,386.20

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Solution

The fourth proportional to 239,841,386.20, 359,762,079.30 and 239,841,386.20 is: 359,762,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,841,386.20 : 359,762,079.30 = 239,841,386.20 : x
  2. Step 2: Convert to fraction form
    239,841,386.20/359,762,079.30 = 239,841,386.20/x
  3. Step 3: Cross multiply
    239,841,386.20x = 359,762,079.30 × 239,841,386.20
  4. Step 4: Simplify right side
    239,841,386.20x = 86,285,835,801,506,320
  5. Step 5: Solve for x
    x = 86,285,835,801,506,320/239,841,386.20
  6. Step 6: Final answer
    x = 359,762,079.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.