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Finding the Fourth Proportional to 175,866.57, 242,681.49 and 99,392.22

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Solution

The fourth proportional to 175,866.57, 242,681.49 and 99,392.22 is: 137,153.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,866.57 : 242,681.49 = 99,392.22 : x
  2. Step 2: Convert to fraction form
    175,866.57/242,681.49 = 99,392.22/x
  3. Step 3: Cross multiply
    175,866.57x = 242,681.49 × 99,392.22
  4. Step 4: Simplify right side
    175,866.57x = 24,120,652,044.01
  5. Step 5: Solve for x
    x = 24,120,652,044.01/175,866.57
  6. Step 6: Final answer
    x = 137,153.14

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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.