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Finding the Fourth Proportional to 142,750.44, 214,127.18 and 58,488.98

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Solution

The fourth proportional to 142,750.44, 214,127.18 and 58,488.98 is: 87,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,750.44 : 214,127.18 = 58,488.98 : x
  2. Step 2: Convert to fraction form
    142,750.44/214,127.18 = 58,488.98/x
  3. Step 3: Cross multiply
    142,750.44x = 214,127.18 × 58,488.98
  4. Step 4: Simplify right side
    142,750.44x = 12,524,078,985.40
  5. Step 5: Solve for x
    x = 12,524,078,985.40/142,750.44
  6. Step 6: Final answer
    x = 87,734.08

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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.