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Finding the Fourth Proportional to 292,527.76, 438,704.70 and 124,045.60

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Solution

The fourth proportional to 292,527.76, 438,704.70 and 124,045.60 is: 186,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,527.76 : 438,704.70 = 124,045.60 : x
  2. Step 2: Convert to fraction form
    292,527.76/438,704.70 = 124,045.60/x
  3. Step 3: Cross multiply
    292,527.76x = 438,704.70 × 124,045.60
  4. Step 4: Simplify right side
    292,527.76x = 54,419,387,734.32
  5. Step 5: Solve for x
    x = 54,419,387,734.32/292,527.76
  6. Step 6: Final answer
    x = 186,031.53

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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.