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Finding the Fourth Proportional to 117,488.58, 176,379.32 and 116,948.81

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Solution

The fourth proportional to 117,488.58, 176,379.32 and 116,948.81 is: 175,569.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,488.58 : 176,379.32 = 116,948.81 : x
  2. Step 2: Convert to fraction form
    117,488.58/176,379.32 = 116,948.81/x
  3. Step 3: Cross multiply
    117,488.58x = 176,379.32 × 116,948.81
  4. Step 4: Simplify right side
    117,488.58x = 20,627,352,315.93
  5. Step 5: Solve for x
    x = 20,627,352,315.93/117,488.58
  6. Step 6: Final answer
    x = 175,569.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.