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Finding the Fourth Proportional to 124,034.48, 171,164 and 70,324.48

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Solution

The fourth proportional to 124,034.48, 171,164 and 70,324.48 is: 97,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,034.48 : 171,164 = 70,324.48 : x
  2. Step 2: Convert to fraction form
    124,034.48/171,164 = 70,324.48/x
  3. Step 3: Cross multiply
    124,034.48x = 171,164 × 70,324.48
  4. Step 4: Simplify right side
    124,034.48x = 12,037,019,294.72
  5. Step 5: Solve for x
    x = 12,037,019,294.72/124,034.48
  6. Step 6: Final answer
    x = 97,045.75

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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.