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Finding the Fourth Proportional to 174,373.12, 261,447.12 and 74,598.40

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Solution

The fourth proportional to 174,373.12, 261,447.12 and 74,598.40 is: 111,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,373.12 : 261,447.12 = 74,598.40 : x
  2. Step 2: Convert to fraction form
    174,373.12/261,447.12 = 74,598.40/x
  3. Step 3: Cross multiply
    174,373.12x = 261,447.12 × 74,598.40
  4. Step 4: Simplify right side
    174,373.12x = 19,503,536,836.61
  5. Step 5: Solve for x
    x = 19,503,536,836.61/174,373.12
  6. Step 6: Final answer
    x = 111,849.45

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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.