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Finding the Fourth Proportional to 124,436.46, 171,749.13 and 73,430.22

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Solution

The fourth proportional to 124,436.46, 171,749.13 and 73,430.22 is: 101,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,436.46 : 171,749.13 = 73,430.22 : x
  2. Step 2: Convert to fraction form
    124,436.46/171,749.13 = 73,430.22/x
  3. Step 3: Cross multiply
    124,436.46x = 171,749.13 × 73,430.22
  4. Step 4: Simplify right side
    124,436.46x = 12,611,576,400.71
  5. Step 5: Solve for x
    x = 12,611,576,400.71/124,436.46
  6. Step 6: Final answer
    x = 101,349.53

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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.