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Finding the Fourth Proportional to 250,264.29, 345,364.86 and 137,088.93

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Solution

The fourth proportional to 250,264.29, 345,364.86 and 137,088.93 is: 189,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,264.29 : 345,364.86 = 137,088.93 : x
  2. Step 2: Convert to fraction form
    250,264.29/345,364.86 = 137,088.93/x
  3. Step 3: Cross multiply
    250,264.29x = 345,364.86 × 137,088.93
  4. Step 4: Simplify right side
    250,264.29x = 47,345,699,117.00
  5. Step 5: Solve for x
    x = 47,345,699,117.00/250,264.29
  6. Step 6: Final answer
    x = 189,182.80

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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.