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Finding the Fourth Proportional to 218,855.04, 302,019.48 and 118,253.04

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Solution

The fourth proportional to 218,855.04, 302,019.48 and 118,253.04 is: 163,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,855.04 : 302,019.48 = 118,253.04 : x
  2. Step 2: Convert to fraction form
    218,855.04/302,019.48 = 118,253.04/x
  3. Step 3: Cross multiply
    218,855.04x = 302,019.48 × 118,253.04
  4. Step 4: Simplify right side
    218,855.04x = 35,714,721,649.22
  5. Step 5: Solve for x
    x = 35,714,721,649.22/218,855.04
  6. Step 6: Final answer
    x = 163,188.94

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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.