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Finding the Fourth Proportional to 113,307.68, 169,957.68 and 43,184.48

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Solution

The fourth proportional to 113,307.68, 169,957.68 and 43,184.48 is: 64,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,307.68 : 169,957.68 = 43,184.48 : x
  2. Step 2: Convert to fraction form
    113,307.68/169,957.68 = 43,184.48/x
  3. Step 3: Cross multiply
    113,307.68x = 169,957.68 × 43,184.48
  4. Step 4: Simplify right side
    113,307.68x = 7,339,534,032.81
  5. Step 5: Solve for x
    x = 7,339,534,032.81/113,307.68
  6. Step 6: Final answer
    x = 64,775.26

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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.