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Finding the Fourth Proportional to 124,263.71, 171,488.77 and 70,553.72

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Solution

The fourth proportional to 124,263.71, 171,488.77 and 70,553.72 is: 97,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,263.71 : 171,488.77 = 70,553.72 : x
  2. Step 2: Convert to fraction form
    124,263.71/171,488.77 = 70,553.72/x
  3. Step 3: Cross multiply
    124,263.71x = 171,488.77 × 70,553.72
  4. Step 4: Simplify right side
    124,263.71x = 12,099,170,914.06
  5. Step 5: Solve for x
    x = 12,099,170,914.06/124,263.71
  6. Step 6: Final answer
    x = 97,366.89

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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.