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Finding the Fourth Proportional to 77,602.60, 116,304.06 and 67,566.28

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Solution

The fourth proportional to 77,602.60, 116,304.06 and 67,566.28 is: 101,262.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,602.60 : 116,304.06 = 67,566.28 : x
  2. Step 2: Convert to fraction form
    77,602.60/116,304.06 = 67,566.28/x
  3. Step 3: Cross multiply
    77,602.60x = 116,304.06 × 67,566.28
  4. Step 4: Simplify right side
    77,602.60x = 7,858,232,683.10
  5. Step 5: Solve for x
    x = 7,858,232,683.10/77,602.60
  6. Step 6: Final answer
    x = 101,262.49

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1.5x scale

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.