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Finding the Fourth Proportional to 124,148.70, 186,004.35 and 101,841.30

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Solution

The fourth proportional to 124,148.70, 186,004.35 and 101,841.30 is: 152,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,148.70 : 186,004.35 = 101,841.30 : x
  2. Step 2: Convert to fraction form
    124,148.70/186,004.35 = 101,841.30/x
  3. Step 3: Cross multiply
    124,148.70x = 186,004.35 × 101,841.30
  4. Step 4: Simplify right side
    124,148.70x = 18,942,924,809.66
  5. Step 5: Solve for x
    x = 18,942,924,809.66/124,148.70
  6. Step 6: Final answer
    x = 152,582.55

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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.