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Finding the Fourth Proportional to 104,174.58, 143,753.47 and 61,155.84

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Solution

The fourth proportional to 104,174.58, 143,753.47 and 61,155.84 is: 84,390.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,174.58 : 143,753.47 = 61,155.84 : x
  2. Step 2: Convert to fraction form
    104,174.58/143,753.47 = 61,155.84/x
  3. Step 3: Cross multiply
    104,174.58x = 143,753.47 × 61,155.84
  4. Step 4: Simplify right side
    104,174.58x = 8,791,364,210.76
  5. Step 5: Solve for x
    x = 8,791,364,210.76/104,174.58
  6. Step 6: Final answer
    x = 84,390.69

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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.