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Finding the Fourth Proportional to 106,550.01, 147,031.14 and 61,228.08

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Solution

The fourth proportional to 106,550.01, 147,031.14 and 61,228.08 is: 84,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,550.01 : 147,031.14 = 61,228.08 : x
  2. Step 2: Convert to fraction form
    106,550.01/147,031.14 = 61,228.08/x
  3. Step 3: Cross multiply
    106,550.01x = 147,031.14 × 61,228.08
  4. Step 4: Simplify right side
    106,550.01x = 9,002,434,402.41
  5. Step 5: Solve for x
    x = 9,002,434,402.41/106,550.01
  6. Step 6: Final answer
    x = 84,490.23

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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.