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Finding the Fourth Proportional to 227,124.96, 340,748.88 and 86,888.16

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Solution

The fourth proportional to 227,124.96, 340,748.88 and 86,888.16 is: 130,355.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,124.96 : 340,748.88 = 86,888.16 : x
  2. Step 2: Convert to fraction form
    227,124.96/340,748.88 = 86,888.16/x
  3. Step 3: Cross multiply
    227,124.96x = 340,748.88 × 86,888.16
  4. Step 4: Simplify right side
    227,124.96x = 29,607,043,205.26
  5. Step 5: Solve for x
    x = 29,607,043,205.26/227,124.96
  6. Step 6: Final answer
    x = 130,355.74

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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.