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Finding the Fourth Proportional to 188,235.52, 282,332.61 and 55,117.08

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Solution

The fourth proportional to 188,235.52, 282,332.61 and 55,117.08 is: 82,669.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,235.52 : 282,332.61 = 55,117.08 : x
  2. Step 2: Convert to fraction form
    188,235.52/282,332.61 = 55,117.08/x
  3. Step 3: Cross multiply
    188,235.52x = 282,332.61 × 55,117.08
  4. Step 4: Simplify right side
    188,235.52x = 15,561,349,051.98
  5. Step 5: Solve for x
    x = 15,561,349,051.98/188,235.52
  6. Step 6: Final answer
    x = 82,669.57

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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.