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Finding the Fourth Proportional to 214,888.04, 322,332.06 and 74,646.80

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Solution

The fourth proportional to 214,888.04, 322,332.06 and 74,646.80 is: 111,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,888.04 : 322,332.06 = 74,646.80 : x
  2. Step 2: Convert to fraction form
    214,888.04/322,332.06 = 74,646.80/x
  3. Step 3: Cross multiply
    214,888.04x = 322,332.06 × 74,646.80
  4. Step 4: Simplify right side
    214,888.04x = 24,061,056,816.41
  5. Step 5: Solve for x
    x = 24,061,056,816.41/214,888.04
  6. Step 6: Final answer
    x = 111,970.20

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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.