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Finding the Fourth Proportional to 107,455.74, 148,437.27 and 97,879.74

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Solution

The fourth proportional to 107,455.74, 148,437.27 and 97,879.74 is: 135,209.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,455.74 : 148,437.27 = 97,879.74 : x
  2. Step 2: Convert to fraction form
    107,455.74/148,437.27 = 97,879.74/x
  3. Step 3: Cross multiply
    107,455.74x = 148,437.27 × 97,879.74
  4. Step 4: Simplify right side
    107,455.74x = 14,529,001,393.91
  5. Step 5: Solve for x
    x = 14,529,001,393.91/107,455.74
  6. Step 6: Final answer
    x = 135,209.17

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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.