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Finding the Fourth Proportional to 218,937.93, 302,134.19 and 118,335.93

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Solution

The fourth proportional to 218,937.93, 302,134.19 and 118,335.93 is: 163,303.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,937.93 : 302,134.19 = 118,335.93 : x
  2. Step 2: Convert to fraction form
    218,937.93/302,134.19 = 118,335.93/x
  3. Step 3: Cross multiply
    218,937.93x = 302,134.19 × 118,335.93
  4. Step 4: Simplify right side
    218,937.93x = 35,753,330,358.45
  5. Step 5: Solve for x
    x = 35,753,330,358.45/218,937.93
  6. Step 6: Final answer
    x = 163,303.50

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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.