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Finding the Fourth Proportional to 104,493.30, 144,244.89 and 70,547.76

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Solution

The fourth proportional to 104,493.30, 144,244.89 and 70,547.76 is: 97,385.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,493.30 : 144,244.89 = 70,547.76 : x
  2. Step 2: Convert to fraction form
    104,493.30/144,244.89 = 70,547.76/x
  3. Step 3: Cross multiply
    104,493.30x = 144,244.89 × 70,547.76
  4. Step 4: Simplify right side
    104,493.30x = 10,176,153,880.95
  5. Step 5: Solve for x
    x = 10,176,153,880.95/104,493.30
  6. Step 6: Final answer
    x = 97,385.71

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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.