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Finding the Fourth Proportional to 124,292.61, 186,412.05 and 35,522.28

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Solution

The fourth proportional to 124,292.61, 186,412.05 and 35,522.28 is: 53,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,292.61 : 186,412.05 = 35,522.28 : x
  2. Step 2: Convert to fraction form
    124,292.61/186,412.05 = 35,522.28/x
  3. Step 3: Cross multiply
    124,292.61x = 186,412.05 × 35,522.28
  4. Step 4: Simplify right side
    124,292.61x = 6,621,781,035.47
  5. Step 5: Solve for x
    x = 6,621,781,035.47/124,292.61
  6. Step 6: Final answer
    x = 53,275.74

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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.