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Finding the Fourth Proportional to 191,373.90, 264,142.86 and 148,268.13

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Solution

The fourth proportional to 191,373.90, 264,142.86 and 148,268.13 is: 204,646.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,373.90 : 264,142.86 = 148,268.13 : x
  2. Step 2: Convert to fraction form
    191,373.90/264,142.86 = 148,268.13/x
  3. Step 3: Cross multiply
    191,373.90x = 264,142.86 × 148,268.13
  4. Step 4: Simplify right side
    191,373.90x = 39,163,967,905.05
  5. Step 5: Solve for x
    x = 39,163,967,905.05/191,373.90
  6. Step 6: Final answer
    x = 204,646.34

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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.