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Finding the Fourth Proportional to 185,573,509.30, 278,360,263.95 and 185,573,509.30

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Solution

The fourth proportional to 185,573,509.30, 278,360,263.95 and 185,573,509.30 is: 278,360,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,573,509.30 : 278,360,263.95 = 185,573,509.30 : x
  2. Step 2: Convert to fraction form
    185,573,509.30/278,360,263.95 = 185,573,509.30/x
  3. Step 3: Cross multiply
    185,573,509.30x = 278,360,263.95 × 185,573,509.30
  4. Step 4: Simplify right side
    185,573,509.30x = 51,656,291,030,875,784
  5. Step 5: Solve for x
    x = 51,656,291,030,875,784/185,573,509.30
  6. Step 6: Final answer
    x = 278,360,263.95

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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.