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Finding the Fourth Proportional to 108,962.61, 150,341.97 and 63,614.76

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Solution

The fourth proportional to 108,962.61, 150,341.97 and 63,614.76 is: 87,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,962.61 : 150,341.97 = 63,614.76 : x
  2. Step 2: Convert to fraction form
    108,962.61/150,341.97 = 63,614.76/x
  3. Step 3: Cross multiply
    108,962.61x = 150,341.97 × 63,614.76
  4. Step 4: Simplify right side
    108,962.61x = 9,563,968,339.48
  5. Step 5: Solve for x
    x = 9,563,968,339.48/108,962.61
  6. Step 6: Final answer
    x = 87,772.94

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1.5x scale

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.