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Finding the Fourth Proportional to 176,756.80, 243,927.32 and 96,187.72

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Solution

The fourth proportional to 176,756.80, 243,927.32 and 96,187.72 is: 132,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,756.80 : 243,927.32 = 96,187.72 : x
  2. Step 2: Convert to fraction form
    176,756.80/243,927.32 = 96,187.72/x
  3. Step 3: Cross multiply
    176,756.80x = 243,927.32 × 96,187.72
  4. Step 4: Simplify right side
    176,756.80x = 23,462,812,756.51
  5. Step 5: Solve for x
    x = 23,462,812,756.51/176,756.80
  6. Step 6: Final answer
    x = 132,740.65

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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.