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Finding the Fourth Proportional to 267,097.98, 368,613 and 153,928.02

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Solution

The fourth proportional to 267,097.98, 368,613 and 153,928.02 is: 212,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,097.98 : 368,613 = 153,928.02 : x
  2. Step 2: Convert to fraction form
    267,097.98/368,613 = 153,928.02/x
  3. Step 3: Cross multiply
    267,097.98x = 368,613 × 153,928.02
  4. Step 4: Simplify right side
    267,097.98x = 56,739,869,236.26
  5. Step 5: Solve for x
    x = 56,739,869,236.26/267,097.98
  6. Step 6: Final answer
    x = 212,430.92

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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.