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Finding the Fourth Proportional to 141,085.59, 194,703.74 and 77,425.67

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Solution

The fourth proportional to 141,085.59, 194,703.74 and 77,425.67 is: 106,850.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,085.59 : 194,703.74 = 77,425.67 : x
  2. Step 2: Convert to fraction form
    141,085.59/194,703.74 = 77,425.67/x
  3. Step 3: Cross multiply
    141,085.59x = 194,703.74 × 77,425.67
  4. Step 4: Simplify right side
    141,085.59x = 15,075,066,160.36
  5. Step 5: Solve for x
    x = 15,075,066,160.36/141,085.59
  6. Step 6: Final answer
    x = 106,850.50

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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.