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Finding the Fourth Proportional to 191,333.44, 264,041.35 and 105,290.04

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Solution

The fourth proportional to 191,333.44, 264,041.35 and 105,290.04 is: 145,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,333.44 : 264,041.35 = 105,290.04 : x
  2. Step 2: Convert to fraction form
    191,333.44/264,041.35 = 105,290.04/x
  3. Step 3: Cross multiply
    191,333.44x = 264,041.35 × 105,290.04
  4. Step 4: Simplify right side
    191,333.44x = 27,800,925,622.34
  5. Step 5: Solve for x
    x = 27,800,925,622.34/191,333.44
  6. Step 6: Final answer
    x = 145,300.92

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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.