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Finding the Fourth Proportional to 174,477.77, 260,534.74 and 138,535.79

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Solution

The fourth proportional to 174,477.77, 260,534.74 and 138,535.79 is: 206,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,477.77 : 260,534.74 = 138,535.79 : x
  2. Step 2: Convert to fraction form
    174,477.77/260,534.74 = 138,535.79/x
  3. Step 3: Cross multiply
    174,477.77x = 260,534.74 × 138,535.79
  4. Step 4: Simplify right side
    174,477.77x = 36,093,386,447.72
  5. Step 5: Solve for x
    x = 36,093,386,447.72/174,477.77
  6. Step 6: Final answer
    x = 206,865.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.