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Finding the Fourth Proportional to 243,525, 336,040.92 and 152,851.98

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Solution

The fourth proportional to 243,525, 336,040.92 and 152,851.98 is: 210,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,525 : 336,040.92 = 152,851.98 : x
  2. Step 2: Convert to fraction form
    243,525/336,040.92 = 152,851.98/x
  3. Step 3: Cross multiply
    243,525x = 336,040.92 × 152,851.98
  4. Step 4: Simplify right side
    243,525x = 51,364,519,983.02
  5. Step 5: Solve for x
    x = 51,364,519,983.02/243,525
  6. Step 6: Final answer
    x = 210,920.93

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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.