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Finding the Fourth Proportional to 157,502.88, 217,352.88 and 85,883.04

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Solution

The fourth proportional to 157,502.88, 217,352.88 and 85,883.04 is: 118,518.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,502.88 : 217,352.88 = 85,883.04 : x
  2. Step 2: Convert to fraction form
    157,502.88/217,352.88 = 85,883.04/x
  3. Step 3: Cross multiply
    157,502.88x = 217,352.88 × 85,883.04
  4. Step 4: Simplify right side
    157,502.88x = 18,666,926,087.16
  5. Step 5: Solve for x
    x = 18,666,926,087.16/157,502.88
  6. Step 6: Final answer
    x = 118,518.00

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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.