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Finding the Fourth Proportional to 104,495.31, 144,247.68 and 70,549.79

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Solution

The fourth proportional to 104,495.31, 144,247.68 and 70,549.79 is: 97,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,495.31 : 144,247.68 = 70,549.79 : x
  2. Step 2: Convert to fraction form
    104,495.31/144,247.68 = 70,549.79/x
  3. Step 3: Cross multiply
    104,495.31x = 144,247.68 × 70,549.79
  4. Step 4: Simplify right side
    104,495.31x = 10,176,642,810.75
  5. Step 5: Solve for x
    x = 10,176,642,810.75/104,495.31
  6. Step 6: Final answer
    x = 97,388.51

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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.