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Finding the Fourth Proportional to 114,302.87, 157,732.48 and 63,312.16

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Solution

The fourth proportional to 114,302.87, 157,732.48 and 63,312.16 is: 87,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,302.87 : 157,732.48 = 63,312.16 : x
  2. Step 2: Convert to fraction form
    114,302.87/157,732.48 = 63,312.16/x
  3. Step 3: Cross multiply
    114,302.87x = 157,732.48 × 63,312.16
  4. Step 4: Simplify right side
    114,302.87x = 9,986,384,010.96
  5. Step 5: Solve for x
    x = 9,986,384,010.96/114,302.87
  6. Step 6: Final answer
    x = 87,367.75

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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.