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Finding the Fourth Proportional to 124,602.70, 171,945.72 and 70,882.66

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Solution

The fourth proportional to 124,602.70, 171,945.72 and 70,882.66 is: 97,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,602.70 : 171,945.72 = 70,882.66 : x
  2. Step 2: Convert to fraction form
    124,602.70/171,945.72 = 70,882.66/x
  3. Step 3: Cross multiply
    124,602.70x = 171,945.72 × 70,882.66
  4. Step 4: Simplify right side
    124,602.70x = 12,187,970,009.22
  5. Step 5: Solve for x
    x = 12,187,970,009.22/124,602.70
  6. Step 6: Final answer
    x = 97,814.65

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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.