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Finding the Fourth Proportional to 108,053.88, 148,975.74 and 88,601.12

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Solution

The fourth proportional to 108,053.88, 148,975.74 and 88,601.12 is: 122,155.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,053.88 : 148,975.74 = 88,601.12 : x
  2. Step 2: Convert to fraction form
    108,053.88/148,975.74 = 88,601.12/x
  3. Step 3: Cross multiply
    108,053.88x = 148,975.74 × 88,601.12
  4. Step 4: Simplify right side
    108,053.88x = 13,199,417,416.83
  5. Step 5: Solve for x
    x = 13,199,417,416.83/108,053.88
  6. Step 6: Final answer
    x = 122,155.89

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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.