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Finding the Fourth Proportional to 114,332.80, 157,779.12 and 64,032.16

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Solution

The fourth proportional to 114,332.80, 157,779.12 and 64,032.16 is: 88,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,332.80 : 157,779.12 = 64,032.16 : x
  2. Step 2: Convert to fraction form
    114,332.80/157,779.12 = 64,032.16/x
  3. Step 3: Cross multiply
    114,332.80x = 157,779.12 × 64,032.16
  4. Step 4: Simplify right side
    114,332.80x = 10,102,937,856.50
  5. Step 5: Solve for x
    x = 10,102,937,856.50/114,332.80
  6. Step 6: Final answer
    x = 88,364.30

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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.