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Finding the Fourth Proportional to 176,281.35, 243,271.11 and 99,798.45

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Solution

The fourth proportional to 176,281.35, 243,271.11 and 99,798.45 is: 137,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,281.35 : 243,271.11 = 99,798.45 : x
  2. Step 2: Convert to fraction form
    176,281.35/243,271.11 = 99,798.45/x
  3. Step 3: Cross multiply
    176,281.35x = 243,271.11 × 99,798.45
  4. Step 4: Simplify right side
    176,281.35x = 24,278,079,707.78
  5. Step 5: Solve for x
    x = 24,278,079,707.78/176,281.35
  6. Step 6: Final answer
    x = 137,723.47

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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.