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Finding the Fourth Proportional to 213,565.59, 294,708.74 and 118,066.59

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Solution

The fourth proportional to 213,565.59, 294,708.74 and 118,066.59 is: 162,925.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,565.59 : 294,708.74 = 118,066.59 : x
  2. Step 2: Convert to fraction form
    213,565.59/294,708.74 = 118,066.59/x
  3. Step 3: Cross multiply
    213,565.59x = 294,708.74 × 118,066.59
  4. Step 4: Simplify right side
    213,565.59x = 34,795,255,384.66
  5. Step 5: Solve for x
    x = 34,795,255,384.66/213,565.59
  6. Step 6: Final answer
    x = 162,925.38

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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.