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Finding the Fourth Proportional to 124,053.64, 171,233.01 and 70,374.34

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Solution

The fourth proportional to 124,053.64, 171,233.01 and 70,374.34 is: 97,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,053.64 : 171,233.01 = 70,374.34 : x
  2. Step 2: Convert to fraction form
    124,053.64/171,233.01 = 70,374.34/x
  3. Step 3: Cross multiply
    124,053.64x = 171,233.01 × 70,374.34
  4. Step 4: Simplify right side
    124,053.64x = 12,050,410,064.96
  5. Step 5: Solve for x
    x = 12,050,410,064.96/124,053.64
  6. Step 6: Final answer
    x = 97,138.71

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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.