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Finding the Fourth Proportional to 176,672.70, 243,807.84 and 99,148.41

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Solution

The fourth proportional to 176,672.70, 243,807.84 and 99,148.41 is: 136,824.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,672.70 : 243,807.84 = 99,148.41 : x
  2. Step 2: Convert to fraction form
    176,672.70/243,807.84 = 99,148.41/x
  3. Step 3: Cross multiply
    176,672.70x = 243,807.84 × 99,148.41
  4. Step 4: Simplify right side
    176,672.70x = 24,173,159,681.53
  5. Step 5: Solve for x
    x = 24,173,159,681.53/176,672.70
  6. Step 6: Final answer
    x = 136,824.53

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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.