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Finding the Fourth Proportional to 191,618.08, 264,412.76 and 111,070.88

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Solution

The fourth proportional to 191,618.08, 264,412.76 and 111,070.88 is: 153,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,618.08 : 264,412.76 = 111,070.88 : x
  2. Step 2: Convert to fraction form
    191,618.08/264,412.76 = 111,070.88/x
  3. Step 3: Cross multiply
    191,618.08x = 264,412.76 × 111,070.88
  4. Step 4: Simplify right side
    191,618.08x = 29,368,557,936.43
  5. Step 5: Solve for x
    x = 29,368,557,936.43/191,618.08
  6. Step 6: Final answer
    x = 153,266.11

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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.