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Finding the Fourth Proportional to 232,445.80, 348,728.10 and 74,675.80

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Solution

The fourth proportional to 232,445.80, 348,728.10 and 74,675.80 is: 112,032.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,445.80 : 348,728.10 = 74,675.80 : x
  2. Step 2: Convert to fraction form
    232,445.80/348,728.10 = 74,675.80/x
  3. Step 3: Cross multiply
    232,445.80x = 348,728.10 × 74,675.80
  4. Step 4: Simplify right side
    232,445.80x = 26,041,549,849.98
  5. Step 5: Solve for x
    x = 26,041,549,849.98/232,445.80
  6. Step 6: Final answer
    x = 112,032.78

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1.5x scale

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.