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Finding the Fourth Proportional to 144,703.92, 216,705.93 and 125,108.40

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Solution

The fourth proportional to 144,703.92, 216,705.93 and 125,108.40 is: 187,360.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,703.92 : 216,705.93 = 125,108.40 : x
  2. Step 2: Convert to fraction form
    144,703.92/216,705.93 = 125,108.40/x
  3. Step 3: Cross multiply
    144,703.92x = 216,705.93 × 125,108.40
  4. Step 4: Simplify right side
    144,703.92x = 27,111,732,172.81
  5. Step 5: Solve for x
    x = 27,111,732,172.81/144,703.92
  6. Step 6: Final answer
    x = 187,360.04

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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.