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Finding the Fourth Proportional to 76,967.76, 106,244.28 and 59,938.32

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Solution

The fourth proportional to 76,967.76, 106,244.28 and 59,938.32 is: 82,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,967.76 : 106,244.28 = 59,938.32 : x
  2. Step 2: Convert to fraction form
    76,967.76/106,244.28 = 59,938.32/x
  3. Step 3: Cross multiply
    76,967.76x = 106,244.28 × 59,938.32
  4. Step 4: Simplify right side
    76,967.76x = 6,368,103,652.81
  5. Step 5: Solve for x
    x = 6,368,103,652.81/76,967.76
  6. Step 6: Final answer
    x = 82,737.29

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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.