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Finding the Fourth Proportional to 141,264.96, 194,946.48 and 77,601.12

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Solution

The fourth proportional to 141,264.96, 194,946.48 and 77,601.12 is: 107,090.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,264.96 : 194,946.48 = 77,601.12 : x
  2. Step 2: Convert to fraction form
    141,264.96/194,946.48 = 77,601.12/x
  3. Step 3: Cross multiply
    141,264.96x = 194,946.48 × 77,601.12
  4. Step 4: Simplify right side
    141,264.96x = 15,128,065,188.06
  5. Step 5: Solve for x
    x = 15,128,065,188.06/141,264.96
  6. Step 6: Final answer
    x = 107,090.00

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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.