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Finding the Fourth Proportional to 225,301.50, 310,920.93 and 124,699.50

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Solution

The fourth proportional to 225,301.50, 310,920.93 and 124,699.50 is: 172,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,301.50 : 310,920.93 = 124,699.50 : x
  2. Step 2: Convert to fraction form
    225,301.50/310,920.93 = 124,699.50/x
  3. Step 3: Cross multiply
    225,301.50x = 310,920.93 × 124,699.50
  4. Step 4: Simplify right side
    225,301.50x = 38,771,684,510.54
  5. Step 5: Solve for x
    x = 38,771,684,510.54/225,301.50
  6. Step 6: Final answer
    x = 172,088.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.