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Finding the Fourth Proportional to 113,119.77, 169,701.51 and 42,993.63

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Solution

The fourth proportional to 113,119.77, 169,701.51 and 42,993.63 is: 64,498.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,119.77 : 169,701.51 = 42,993.63 : x
  2. Step 2: Convert to fraction form
    113,119.77/169,701.51 = 42,993.63/x
  3. Step 3: Cross multiply
    113,119.77x = 169,701.51 × 42,993.63
  4. Step 4: Simplify right side
    113,119.77x = 7,296,083,931.38
  5. Step 5: Solve for x
    x = 7,296,083,931.38/113,119.77
  6. Step 6: Final answer
    x = 64,498.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.