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Finding the Fourth Proportional to 108,365.54, 149,484.26 and 63,038.42

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Solution

The fourth proportional to 108,365.54, 149,484.26 and 63,038.42 is: 86,958.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,365.54 : 149,484.26 = 63,038.42 : x
  2. Step 2: Convert to fraction form
    108,365.54/149,484.26 = 63,038.42/x
  3. Step 3: Cross multiply
    108,365.54x = 149,484.26 × 63,038.42
  4. Step 4: Simplify right side
    108,365.54x = 9,423,251,565.27
  5. Step 5: Solve for x
    x = 9,423,251,565.27/108,365.54
  6. Step 6: Final answer
    x = 86,958.01

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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.