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Finding the Fourth Proportional to 242,124.72, 334,132.74 and 134,695.50

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Solution

The fourth proportional to 242,124.72, 334,132.74 and 134,695.50 is: 185,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,124.72 : 334,132.74 = 134,695.50 : x
  2. Step 2: Convert to fraction form
    242,124.72/334,132.74 = 134,695.50/x
  3. Step 3: Cross multiply
    242,124.72x = 334,132.74 × 134,695.50
  4. Step 4: Simplify right side
    242,124.72x = 45,006,176,480.67
  5. Step 5: Solve for x
    x = 45,006,176,480.67/242,124.72
  6. Step 6: Final answer
    x = 185,880.14

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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.