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Finding the Fourth Proportional to 153,444.70, 229,881.93 and 83,382.94

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Solution

The fourth proportional to 153,444.70, 229,881.93 and 83,382.94 is: 124,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,444.70 : 229,881.93 = 83,382.94 : x
  2. Step 2: Convert to fraction form
    153,444.70/229,881.93 = 83,382.94/x
  3. Step 3: Cross multiply
    153,444.70x = 229,881.93 × 83,382.94
  4. Step 4: Simplify right side
    153,444.70x = 19,168,231,176.27
  5. Step 5: Solve for x
    x = 19,168,231,176.27/153,444.70
  6. Step 6: Final answer
    x = 124,919.47

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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.