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Finding the Fourth Proportional to 124,053.40, 171,190.03 and 70,343.32

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Solution

The fourth proportional to 124,053.40, 171,190.03 and 70,343.32 is: 97,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,053.40 : 171,190.03 = 70,343.32 : x
  2. Step 2: Convert to fraction form
    124,053.40/171,190.03 = 70,343.32/x
  3. Step 3: Cross multiply
    124,053.40x = 171,190.03 × 70,343.32
  4. Step 4: Simplify right side
    124,053.40x = 12,042,073,853.43
  5. Step 5: Solve for x
    x = 12,042,073,853.43/124,053.40
  6. Step 6: Final answer
    x = 97,071.70

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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.