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Finding the Fourth Proportional to 117,569.61, 176,460.53 and 79,526.88

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Solution

The fourth proportional to 117,569.61, 176,460.53 and 79,526.88 is: 119,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,569.61 : 176,460.53 = 79,526.88 : x
  2. Step 2: Convert to fraction form
    117,569.61/176,460.53 = 79,526.88/x
  3. Step 3: Cross multiply
    117,569.61x = 176,460.53 × 79,526.88
  4. Step 4: Simplify right side
    117,569.61x = 14,033,354,996.41
  5. Step 5: Solve for x
    x = 14,033,354,996.41/117,569.61
  6. Step 6: Final answer
    x = 119,362.10

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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.