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Finding the Fourth Proportional to 126,473.40, 189,713.34 and 59,897.88

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Solution

The fourth proportional to 126,473.40, 189,713.34 and 59,897.88 is: 89,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,473.40 : 189,713.34 = 59,897.88 : x
  2. Step 2: Convert to fraction form
    126,473.40/189,713.34 = 59,897.88/x
  3. Step 3: Cross multiply
    126,473.40x = 189,713.34 × 59,897.88
  4. Step 4: Simplify right side
    126,473.40x = 11,363,426,873.72
  5. Step 5: Solve for x
    x = 11,363,426,873.72/126,473.40
  6. Step 6: Final answer
    x = 89,848.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.