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Finding the Fourth Proportional to 191,460.12, 264,239.72 and 109,820.20

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Solution

The fourth proportional to 191,460.12, 264,239.72 and 109,820.20 is: 151,566.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,460.12 : 264,239.72 = 109,820.20 : x
  2. Step 2: Convert to fraction form
    191,460.12/264,239.72 = 109,820.20/x
  3. Step 3: Cross multiply
    191,460.12x = 264,239.72 × 109,820.20
  4. Step 4: Simplify right side
    191,460.12x = 29,018,858,898.34
  5. Step 5: Solve for x
    x = 29,018,858,898.34/191,460.12
  6. Step 6: Final answer
    x = 151,566.07

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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.