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Finding the Fourth Proportional to 108,732.95, 150,051.74 and 63,442.07

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Solution

The fourth proportional to 108,732.95, 150,051.74 and 63,442.07 is: 87,550.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,732.95 : 150,051.74 = 63,442.07 : x
  2. Step 2: Convert to fraction form
    108,732.95/150,051.74 = 63,442.07/x
  3. Step 3: Cross multiply
    108,732.95x = 150,051.74 × 63,442.07
  4. Step 4: Simplify right side
    108,732.95x = 9,519,591,925.23
  5. Step 5: Solve for x
    x = 9,519,591,925.23/108,732.95
  6. Step 6: Final answer
    x = 87,550.21

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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.