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Finding the Fourth Proportional to 114,432.60, 157,922.40 and 71,437.56

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Solution

The fourth proportional to 114,432.60, 157,922.40 and 71,437.56 is: 98,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,432.60 : 157,922.40 = 71,437.56 : x
  2. Step 2: Convert to fraction form
    114,432.60/157,922.40 = 71,437.56/x
  3. Step 3: Cross multiply
    114,432.60x = 157,922.40 × 71,437.56
  4. Step 4: Simplify right side
    114,432.60x = 11,281,590,925.34
  5. Step 5: Solve for x
    x = 11,281,590,925.34/114,432.60
  6. Step 6: Final answer
    x = 98,587.21

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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.