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Finding the Fourth Proportional to 124,159.99, 186,267.75 and 45,274.22

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Solution

The fourth proportional to 124,159.99, 186,267.75 and 45,274.22 is: 67,921.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,159.99 : 186,267.75 = 45,274.22 : x
  2. Step 2: Convert to fraction form
    124,159.99/186,267.75 = 45,274.22/x
  3. Step 3: Cross multiply
    124,159.99x = 186,267.75 × 45,274.22
  4. Step 4: Simplify right side
    124,159.99x = 8,433,125,991.29
  5. Step 5: Solve for x
    x = 8,433,125,991.29/124,159.99
  6. Step 6: Final answer
    x = 67,921.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.