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Finding the Fourth Proportional to 68,459.67, 94,444.65 and 42,948.72

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Solution

The fourth proportional to 68,459.67, 94,444.65 and 42,948.72 is: 59,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,459.67 : 94,444.65 = 42,948.72 : x
  2. Step 2: Convert to fraction form
    68,459.67/94,444.65 = 42,948.72/x
  3. Step 3: Cross multiply
    68,459.67x = 94,444.65 × 42,948.72
  4. Step 4: Simplify right side
    68,459.67x = 4,056,276,828.35
  5. Step 5: Solve for x
    x = 4,056,276,828.35/68,459.67
  6. Step 6: Final answer
    x = 59,250.60

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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.