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Finding the Fourth Proportional to 117,332.60, 175,996.80 and 28,585.89

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Solution

The fourth proportional to 117,332.60, 175,996.80 and 28,585.89 is: 42,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,332.60 : 175,996.80 = 28,585.89 : x
  2. Step 2: Convert to fraction form
    117,332.60/175,996.80 = 28,585.89/x
  3. Step 3: Cross multiply
    117,332.60x = 175,996.80 × 28,585.89
  4. Step 4: Simplify right side
    117,332.60x = 5,031,025,165.15
  5. Step 5: Solve for x
    x = 5,031,025,165.15/117,332.60
  6. Step 6: Final answer
    x = 42,878.33

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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.