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Finding the Fourth Proportional to 97,486.50, 134,552.16 and 66,901.44

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Solution

The fourth proportional to 97,486.50, 134,552.16 and 66,901.44 is: 92,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,486.50 : 134,552.16 = 66,901.44 : x
  2. Step 2: Convert to fraction form
    97,486.50/134,552.16 = 66,901.44/x
  3. Step 3: Cross multiply
    97,486.50x = 134,552.16 × 66,901.44
  4. Step 4: Simplify right side
    97,486.50x = 9,001,733,259.11
  5. Step 5: Solve for x
    x = 9,001,733,259.11/97,486.50
  6. Step 6: Final answer
    x = 92,338.25

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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.