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Finding the Fourth Proportional to 252,990.88, 349,164.48 and 152,386.72

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Solution

The fourth proportional to 252,990.88, 349,164.48 and 152,386.72 is: 210,316.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,990.88 : 349,164.48 = 152,386.72 : x
  2. Step 2: Convert to fraction form
    252,990.88/349,164.48 = 152,386.72/x
  3. Step 3: Cross multiply
    252,990.88x = 349,164.48 × 152,386.72
  4. Step 4: Simplify right side
    252,990.88x = 53,208,029,847.71
  5. Step 5: Solve for x
    x = 53,208,029,847.71/252,990.88
  6. Step 6: Final answer
    x = 210,316.00

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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.