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Finding the Fourth Proportional to 157,065.60, 235,444.80 and 63,446.40

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Solution

The fourth proportional to 157,065.60, 235,444.80 and 63,446.40 is: 95,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,065.60 : 235,444.80 = 63,446.40 : x
  2. Step 2: Convert to fraction form
    157,065.60/235,444.80 = 63,446.40/x
  3. Step 3: Cross multiply
    157,065.60x = 235,444.80 × 63,446.40
  4. Step 4: Simplify right side
    157,065.60x = 14,938,124,958.72
  5. Step 5: Solve for x
    x = 14,938,124,958.72/157,065.60
  6. Step 6: Final answer
    x = 95,107.55

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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.