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Finding the Fourth Proportional to 112,833.60, 169,373.52 and 83,159.52

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Solution

The fourth proportional to 112,833.60, 169,373.52 and 83,159.52 is: 124,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,833.60 : 169,373.52 = 83,159.52 : x
  2. Step 2: Convert to fraction form
    112,833.60/169,373.52 = 83,159.52/x
  3. Step 3: Cross multiply
    112,833.60x = 169,373.52 × 83,159.52
  4. Step 4: Simplify right side
    112,833.60x = 14,085,020,623.91
  5. Step 5: Solve for x
    x = 14,085,020,623.91/112,833.60
  6. Step 6: Final answer
    x = 124,830.02

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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.