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Finding the Fourth Proportional to 175,339.79, 242,056.90 and 115,002.89

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Solution

The fourth proportional to 175,339.79, 242,056.90 and 115,002.89 is: 158,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,339.79 : 242,056.90 = 115,002.89 : x
  2. Step 2: Convert to fraction form
    175,339.79/242,056.90 = 115,002.89/x
  3. Step 3: Cross multiply
    175,339.79x = 242,056.90 × 115,002.89
  4. Step 4: Simplify right side
    175,339.79x = 27,837,243,044.44
  5. Step 5: Solve for x
    x = 27,837,243,044.44/175,339.79
  6. Step 6: Final answer
    x = 158,761.70

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1.5x scale

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.