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Finding the Fourth Proportional to 143,952.72, 198,551.90 and 124,798.24

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Solution

The fourth proportional to 143,952.72, 198,551.90 and 124,798.24 is: 172,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,952.72 : 198,551.90 = 124,798.24 : x
  2. Step 2: Convert to fraction form
    143,952.72/198,551.90 = 124,798.24/x
  3. Step 3: Cross multiply
    143,952.72x = 198,551.90 × 124,798.24
  4. Step 4: Simplify right side
    143,952.72x = 24,778,927,668.66
  5. Step 5: Solve for x
    x = 24,778,927,668.66/143,952.72
  6. Step 6: Final answer
    x = 172,132.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.