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Finding the Fourth Proportional to 213,754.91, 294,980.54 and 118,259.55

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Solution

The fourth proportional to 213,754.91, 294,980.54 and 118,259.55 is: 163,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,754.91 : 294,980.54 = 118,259.55 : x
  2. Step 2: Convert to fraction form
    213,754.91/294,980.54 = 118,259.55/x
  3. Step 3: Cross multiply
    213,754.91x = 294,980.54 × 118,259.55
  4. Step 4: Simplify right side
    213,754.91x = 34,884,265,327.86
  5. Step 5: Solve for x
    x = 34,884,265,327.86/213,754.91
  6. Step 6: Final answer
    x = 163,197.50

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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.