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Finding the Fourth Proportional to 176,513, 243,420.30 and 116,134.88

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Solution

The fourth proportional to 176,513, 243,420.30 and 116,134.88 is: 160,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,513 : 243,420.30 = 116,134.88 : x
  2. Step 2: Convert to fraction form
    176,513/243,420.30 = 116,134.88/x
  3. Step 3: Cross multiply
    176,513x = 243,420.30 × 116,134.88
  4. Step 4: Simplify right side
    176,513x = 28,269,587,330.06
  5. Step 5: Solve for x
    x = 28,269,587,330.06/176,513
  6. Step 6: Final answer
    x = 160,155.84

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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.