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Finding the Fourth Proportional to 176,435.38, 243,472.98 and 99,952.98

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Solution

The fourth proportional to 176,435.38, 243,472.98 and 99,952.98 is: 137,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,435.38 : 243,472.98 = 99,952.98 : x
  2. Step 2: Convert to fraction form
    176,435.38/243,472.98 = 99,952.98/x
  3. Step 3: Cross multiply
    176,435.38x = 243,472.98 × 99,952.98
  4. Step 4: Simplify right side
    176,435.38x = 24,335,849,900.48
  5. Step 5: Solve for x
    x = 24,335,849,900.48/176,435.38
  6. Step 6: Final answer
    x = 137,930.67

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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.