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Finding the Fourth Proportional to 114,021.20, 157,348.20 and 63,037.10

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Solution

The fourth proportional to 114,021.20, 157,348.20 and 63,037.10 is: 86,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,021.20 : 157,348.20 = 63,037.10 : x
  2. Step 2: Convert to fraction form
    114,021.20/157,348.20 = 63,037.10/x
  3. Step 3: Cross multiply
    114,021.20x = 157,348.20 × 63,037.10
  4. Step 4: Simplify right side
    114,021.20x = 9,918,774,218.22
  5. Step 5: Solve for x
    x = 9,918,774,218.22/114,021.20
  6. Step 6: Final answer
    x = 86,990.61

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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.