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Finding the Fourth Proportional to 112,799.08, 168,866.47 and 83,348.39

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Solution

The fourth proportional to 112,799.08, 168,866.47 and 83,348.39 is: 124,777.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,799.08 : 168,866.47 = 83,348.39 : x
  2. Step 2: Convert to fraction form
    112,799.08/168,866.47 = 83,348.39/x
  3. Step 3: Cross multiply
    112,799.08x = 168,866.47 × 83,348.39
  4. Step 4: Simplify right side
    112,799.08x = 14,074,748,925.84
  5. Step 5: Solve for x
    x = 14,074,748,925.84/112,799.08
  6. Step 6: Final answer
    x = 124,777.16

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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.