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Finding the Fourth Proportional to 104,495.48, 144,247.88 and 70,549.92

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Solution

The fourth proportional to 104,495.48, 144,247.88 and 70,549.92 is: 97,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,495.48 : 144,247.88 = 70,549.92 : x
  2. Step 2: Convert to fraction form
    104,495.48/144,247.88 = 70,549.92/x
  3. Step 3: Cross multiply
    104,495.48x = 144,247.88 × 70,549.92
  4. Step 4: Simplify right side
    104,495.48x = 10,176,676,041.42
  5. Step 5: Solve for x
    x = 10,176,676,041.42/104,495.48
  6. Step 6: Final answer
    x = 97,388.68

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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.