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Finding the Fourth Proportional to 108,807.42, 150,154.30 and 61,060.74

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Solution

The fourth proportional to 108,807.42, 150,154.30 and 61,060.74 is: 84,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,807.42 : 150,154.30 = 61,060.74 : x
  2. Step 2: Convert to fraction form
    108,807.42/150,154.30 = 61,060.74/x
  3. Step 3: Cross multiply
    108,807.42x = 150,154.30 × 61,060.74
  4. Step 4: Simplify right side
    108,807.42x = 9,168,532,672.18
  5. Step 5: Solve for x
    x = 9,168,532,672.18/108,807.42
  6. Step 6: Final answer
    x = 84,263.86

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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.