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Finding the Fourth Proportional to 176,329.12, 243,369.48 and 104,748.88

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Solution

The fourth proportional to 176,329.12, 243,369.48 and 104,748.88 is: 144,574.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,329.12 : 243,369.48 = 104,748.88 : x
  2. Step 2: Convert to fraction form
    176,329.12/243,369.48 = 104,748.88/x
  3. Step 3: Cross multiply
    176,329.12x = 243,369.48 × 104,748.88
  4. Step 4: Simplify right side
    176,329.12x = 25,492,680,456.18
  5. Step 5: Solve for x
    x = 25,492,680,456.18/176,329.12
  6. Step 6: Final answer
    x = 144,574.42

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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.