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Finding the Fourth Proportional to 124,270.08, 171,486.84 and 70,548

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Solution

The fourth proportional to 124,270.08, 171,486.84 and 70,548 is: 97,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,270.08 : 171,486.84 = 70,548 : x
  2. Step 2: Convert to fraction form
    124,270.08/171,486.84 = 70,548/x
  3. Step 3: Cross multiply
    124,270.08x = 171,486.84 × 70,548
  4. Step 4: Simplify right side
    124,270.08x = 12,098,053,588.32
  5. Step 5: Solve for x
    x = 12,098,053,588.32/124,270.08
  6. Step 6: Final answer
    x = 97,352.91

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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.