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Finding the Fourth Proportional to 124,679.01, 172,050.57 and 70,963.86

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Solution

The fourth proportional to 124,679.01, 172,050.57 and 70,963.86 is: 97,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,679.01 : 172,050.57 = 70,963.86 : x
  2. Step 2: Convert to fraction form
    124,679.01/172,050.57 = 70,963.86/x
  3. Step 3: Cross multiply
    124,679.01x = 172,050.57 × 70,963.86
  4. Step 4: Simplify right side
    124,679.01x = 12,209,372,562.40
  5. Step 5: Solve for x
    x = 12,209,372,562.40/124,679.01
  6. Step 6: Final answer
    x = 97,926.45

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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.