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Finding the Fourth Proportional to 112,599, 155,391.48 and 62,298

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Solution

The fourth proportional to 112,599, 155,391.48 and 62,298 is: 85,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,599 : 155,391.48 = 62,298 : x
  2. Step 2: Convert to fraction form
    112,599/155,391.48 = 62,298/x
  3. Step 3: Cross multiply
    112,599x = 155,391.48 × 62,298
  4. Step 4: Simplify right side
    112,599x = 9,680,578,421.04
  5. Step 5: Solve for x
    x = 9,680,578,421.04/112,599
  6. Step 6: Final answer
    x = 85,973.93

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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.