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Finding the Fourth Proportional to 117,713.30, 176,569.95 and 75,722.90

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Solution

The fourth proportional to 117,713.30, 176,569.95 and 75,722.90 is: 113,584.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,713.30 : 176,569.95 = 75,722.90 : x
  2. Step 2: Convert to fraction form
    117,713.30/176,569.95 = 75,722.90/x
  3. Step 3: Cross multiply
    117,713.30x = 176,569.95 × 75,722.90
  4. Step 4: Simplify right side
    117,713.30x = 13,370,388,666.86
  5. Step 5: Solve for x
    x = 13,370,388,666.86/117,713.30
  6. Step 6: Final answer
    x = 113,584.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.