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Finding the Fourth Proportional to 104,495.85, 144,248.40 and 70,550.30

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Solution

The fourth proportional to 104,495.85, 144,248.40 and 70,550.30 is: 97,389.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,495.85 : 144,248.40 = 70,550.30 : x
  2. Step 2: Convert to fraction form
    104,495.85/144,248.40 = 70,550.30/x
  3. Step 3: Cross multiply
    104,495.85x = 144,248.40 × 70,550.30
  4. Step 4: Simplify right side
    104,495.85x = 10,176,766,820.53
  5. Step 5: Solve for x
    x = 10,176,766,820.53/104,495.85
  6. Step 6: Final answer
    x = 97,389.20

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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.