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Finding the Fourth Proportional to 153,386.20, 230,079.30 and 114,020.20

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Solution

The fourth proportional to 153,386.20, 230,079.30 and 114,020.20 is: 171,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,386.20 : 230,079.30 = 114,020.20 : x
  2. Step 2: Convert to fraction form
    153,386.20/230,079.30 = 114,020.20/x
  3. Step 3: Cross multiply
    153,386.20x = 230,079.30 × 114,020.20
  4. Step 4: Simplify right side
    153,386.20x = 26,233,687,801.86
  5. Step 5: Solve for x
    x = 26,233,687,801.86/153,386.20
  6. Step 6: Final answer
    x = 171,030.30

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1.5x scale

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.