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Finding the Fourth Proportional to 104,595.60, 144,343.05 and 56,848.95

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Solution

The fourth proportional to 104,595.60, 144,343.05 and 56,848.95 is: 78,452.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,595.60 : 144,343.05 = 56,848.95 : x
  2. Step 2: Convert to fraction form
    104,595.60/144,343.05 = 56,848.95/x
  3. Step 3: Cross multiply
    104,595.60x = 144,343.05 × 56,848.95
  4. Step 4: Simplify right side
    104,595.60x = 8,205,750,832.30
  5. Step 5: Solve for x
    x = 8,205,750,832.30/104,595.60
  6. Step 6: Final answer
    x = 78,452.16

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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.