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Finding the Fourth Proportional to 176,368.92, 243,376.56 and 99,895.74

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Solution

The fourth proportional to 176,368.92, 243,376.56 and 99,895.74 is: 137,849.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,368.92 : 243,376.56 = 99,895.74 : x
  2. Step 2: Convert to fraction form
    176,368.92/243,376.56 = 99,895.74/x
  3. Step 3: Cross multiply
    176,368.92x = 243,376.56 × 99,895.74
  4. Step 4: Simplify right side
    176,368.92x = 24,312,281,559.85
  5. Step 5: Solve for x
    x = 24,312,281,559.85/176,368.92
  6. Step 6: Final answer
    x = 137,849.01

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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.