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Finding the Fourth Proportional to 242,637.80, 334,826.34 and 133,720.52

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Solution

The fourth proportional to 242,637.80, 334,826.34 and 133,720.52 is: 184,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,637.80 : 334,826.34 = 133,720.52 : x
  2. Step 2: Convert to fraction form
    242,637.80/334,826.34 = 133,720.52/x
  3. Step 3: Cross multiply
    242,637.80x = 334,826.34 × 133,720.52
  4. Step 4: Simplify right side
    242,637.80x = 44,773,152,294.50
  5. Step 5: Solve for x
    x = 44,773,152,294.50/242,637.80
  6. Step 6: Final answer
    x = 184,526.70

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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.