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Finding the Fourth Proportional to 134,385.77, 185,460.01 and 77,034.63

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Solution

The fourth proportional to 134,385.77, 185,460.01 and 77,034.63 is: 106,312.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,385.77 : 185,460.01 = 77,034.63 : x
  2. Step 2: Convert to fraction form
    134,385.77/185,460.01 = 77,034.63/x
  3. Step 3: Cross multiply
    134,385.77x = 185,460.01 × 77,034.63
  4. Step 4: Simplify right side
    134,385.77x = 14,286,843,057.56
  5. Step 5: Solve for x
    x = 14,286,843,057.56/134,385.77
  6. Step 6: Final answer
    x = 106,312.18

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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.