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Finding the Fourth Proportional to 141,644.93, 195,048.15 and 138,501.59

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Solution

The fourth proportional to 141,644.93, 195,048.15 and 138,501.59 is: 190,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,644.93 : 195,048.15 = 138,501.59 : x
  2. Step 2: Convert to fraction form
    141,644.93/195,048.15 = 138,501.59/x
  3. Step 3: Cross multiply
    141,644.93x = 195,048.15 × 138,501.59
  4. Step 4: Simplify right side
    141,644.93x = 27,014,478,901.56
  5. Step 5: Solve for x
    x = 27,014,478,901.56/141,644.93
  6. Step 6: Final answer
    x = 190,719.70

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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.