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Finding the Fourth Proportional to 107,249.99, 148,026.52 and 61,935.35

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Solution

The fourth proportional to 107,249.99, 148,026.52 and 61,935.35 is: 85,483.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,249.99 : 148,026.52 = 61,935.35 : x
  2. Step 2: Convert to fraction form
    107,249.99/148,026.52 = 61,935.35/x
  3. Step 3: Cross multiply
    107,249.99x = 148,026.52 × 61,935.35
  4. Step 4: Simplify right side
    107,249.99x = 9,168,073,662.77
  5. Step 5: Solve for x
    x = 9,168,073,662.77/107,249.99
  6. Step 6: Final answer
    x = 85,483.22

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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.