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Finding the Fourth Proportional to 117,024.40, 175,536.60 and 99,309.70

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Solution

The fourth proportional to 117,024.40, 175,536.60 and 99,309.70 is: 148,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,024.40 : 175,536.60 = 99,309.70 : x
  2. Step 2: Convert to fraction form
    117,024.40/175,536.60 = 99,309.70/x
  3. Step 3: Cross multiply
    117,024.40x = 175,536.60 × 99,309.70
  4. Step 4: Simplify right side
    117,024.40x = 17,432,487,085.02
  5. Step 5: Solve for x
    x = 17,432,487,085.02/117,024.40
  6. Step 6: Final answer
    x = 148,964.55

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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.