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Finding the Fourth Proportional to 104,396.59, 144,070.49 and 61,368.18

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Solution

The fourth proportional to 104,396.59, 144,070.49 and 61,368.18 is: 84,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,396.59 : 144,070.49 = 61,368.18 : x
  2. Step 2: Convert to fraction form
    104,396.59/144,070.49 = 61,368.18/x
  3. Step 3: Cross multiply
    104,396.59x = 144,070.49 × 61,368.18
  4. Step 4: Simplify right side
    104,396.59x = 8,841,344,226.56
  5. Step 5: Solve for x
    x = 8,841,344,226.56/104,396.59
  6. Step 6: Final answer
    x = 84,689.97

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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.