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Finding the Fourth Proportional to 107,314.79, 148,094.98 and 67,051.90

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Solution

The fourth proportional to 107,314.79, 148,094.98 and 67,051.90 is: 92,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,314.79 : 148,094.98 = 67,051.90 : x
  2. Step 2: Convert to fraction form
    107,314.79/148,094.98 = 67,051.90/x
  3. Step 3: Cross multiply
    107,314.79x = 148,094.98 × 67,051.90
  4. Step 4: Simplify right side
    107,314.79x = 9,930,050,184.12
  5. Step 5: Solve for x
    x = 9,930,050,184.12/107,314.79
  6. Step 6: Final answer
    x = 92,531.98

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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.