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Finding the Fourth Proportional to 247,501.64, 341,533.44 and 145,531.28

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Solution

The fourth proportional to 247,501.64, 341,533.44 and 145,531.28 is: 200,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,501.64 : 341,533.44 = 145,531.28 : x
  2. Step 2: Convert to fraction form
    247,501.64/341,533.44 = 145,531.28/x
  3. Step 3: Cross multiply
    247,501.64x = 341,533.44 × 145,531.28
  4. Step 4: Simplify right side
    247,501.64x = 49,703,798,686.00
  5. Step 5: Solve for x
    x = 49,703,798,686.00/247,501.64
  6. Step 6: Final answer
    x = 200,822.10

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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.