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Finding the Fourth Proportional to 124,534.32, 171,850.32 and 70,832.40

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Solution

The fourth proportional to 124,534.32, 171,850.32 and 70,832.40 is: 97,744.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,534.32 : 171,850.32 = 70,832.40 : x
  2. Step 2: Convert to fraction form
    124,534.32/171,850.32 = 70,832.40/x
  3. Step 3: Cross multiply
    124,534.32x = 171,850.32 × 70,832.40
  4. Step 4: Simplify right side
    124,534.32x = 12,172,570,606.37
  5. Step 5: Solve for x
    x = 12,172,570,606.37/124,534.32
  6. Step 6: Final answer
    x = 97,744.71

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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.