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Finding the Fourth Proportional to 176,407.85, 243,463.70 and 104,788.16

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Solution

The fourth proportional to 176,407.85, 243,463.70 and 104,788.16 is: 144,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,407.85 : 243,463.70 = 104,788.16 : x
  2. Step 2: Convert to fraction form
    176,407.85/243,463.70 = 104,788.16/x
  3. Step 3: Cross multiply
    176,407.85x = 243,463.70 × 104,788.16
  4. Step 4: Simplify right side
    176,407.85x = 25,512,113,149.79
  5. Step 5: Solve for x
    x = 25,512,113,149.79/176,407.85
  6. Step 6: Final answer
    x = 144,620.06

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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.