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Finding the Fourth Proportional to 375,510.48, 563,260.80 and 91,203.36

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Solution

The fourth proportional to 375,510.48, 563,260.80 and 91,203.36 is: 136,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,510.48 : 563,260.80 = 91,203.36 : x
  2. Step 2: Convert to fraction form
    375,510.48/563,260.80 = 91,203.36/x
  3. Step 3: Cross multiply
    375,510.48x = 563,260.80 × 91,203.36
  4. Step 4: Simplify right side
    375,510.48x = 51,371,277,516.29
  5. Step 5: Solve for x
    x = 51,371,277,516.29/375,510.48
  6. Step 6: Final answer
    x = 136,803.85

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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.