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Finding the Fourth Proportional to 124,369.32, 171,630.24 and 70,657.28

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Solution

The fourth proportional to 124,369.32, 171,630.24 and 70,657.28 is: 97,507.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,369.32 : 171,630.24 = 70,657.28 : x
  2. Step 2: Convert to fraction form
    124,369.32/171,630.24 = 70,657.28/x
  3. Step 3: Cross multiply
    124,369.32x = 171,630.24 × 70,657.28
  4. Step 4: Simplify right side
    124,369.32x = 12,126,925,570.86
  5. Step 5: Solve for x
    x = 12,126,925,570.86/124,369.32
  6. Step 6: Final answer
    x = 97,507.37

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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.