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Finding the Fourth Proportional to 114,476.16, 171,581.52 and 43,353.60

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Solution

The fourth proportional to 114,476.16, 171,581.52 and 43,353.60 is: 64,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,476.16 : 171,581.52 = 43,353.60 : x
  2. Step 2: Convert to fraction form
    114,476.16/171,581.52 = 43,353.60/x
  3. Step 3: Cross multiply
    114,476.16x = 171,581.52 × 43,353.60
  4. Step 4: Simplify right side
    114,476.16x = 7,438,676,585.47
  5. Step 5: Solve for x
    x = 7,438,676,585.47/114,476.16
  6. Step 6: Final answer
    x = 64,980.14

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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.