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Finding the Fourth Proportional to 104,505.61, 144,218.03 and 61,486.73

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Solution

The fourth proportional to 104,505.61, 144,218.03 and 61,486.73 is: 84,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,505.61 : 144,218.03 = 61,486.73 : x
  2. Step 2: Convert to fraction form
    104,505.61/144,218.03 = 61,486.73/x
  3. Step 3: Cross multiply
    104,505.61x = 144,218.03 × 61,486.73
  4. Step 4: Simplify right side
    104,505.61x = 8,867,495,071.74
  5. Step 5: Solve for x
    x = 8,867,495,071.74/104,505.61
  6. Step 6: Final answer
    x = 84,851.86

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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.