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Finding the Fourth Proportional to 191,435.17, 264,170.50 and 105,377.34

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Solution

The fourth proportional to 191,435.17, 264,170.50 and 105,377.34 is: 145,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,435.17 : 264,170.50 = 105,377.34 : x
  2. Step 2: Convert to fraction form
    191,435.17/264,170.50 = 105,377.34/x
  3. Step 3: Cross multiply
    191,435.17x = 264,170.50 × 105,377.34
  4. Step 4: Simplify right side
    191,435.17x = 27,837,583,837.71
  5. Step 5: Solve for x
    x = 27,837,583,837.71/191,435.17
  6. Step 6: Final answer
    x = 145,415.20

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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.