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Finding the Fourth Proportional to 117,527.60, 176,466.12 and 47,543.60

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Solution

The fourth proportional to 117,527.60, 176,466.12 and 47,543.60 is: 71,386.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,527.60 : 176,466.12 = 47,543.60 : x
  2. Step 2: Convert to fraction form
    117,527.60/176,466.12 = 47,543.60/x
  3. Step 3: Cross multiply
    117,527.60x = 176,466.12 × 47,543.60
  4. Step 4: Simplify right side
    117,527.60x = 8,389,834,622.83
  5. Step 5: Solve for x
    x = 8,389,834,622.83/117,527.60
  6. Step 6: Final answer
    x = 71,386.08

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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.