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Finding the Fourth Proportional to 114,275.50, 157,700.19 and 63,974.86

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Solution

The fourth proportional to 114,275.50, 157,700.19 and 63,974.86 is: 88,285.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,275.50 : 157,700.19 = 63,974.86 : x
  2. Step 2: Convert to fraction form
    114,275.50/157,700.19 = 63,974.86/x
  3. Step 3: Cross multiply
    114,275.50x = 157,700.19 × 63,974.86
  4. Step 4: Simplify right side
    114,275.50x = 10,088,847,577.22
  5. Step 5: Solve for x
    x = 10,088,847,577.22/114,275.50
  6. Step 6: Final answer
    x = 88,285.31

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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.