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Finding the Fourth Proportional to 341,779.64, 512,677.67 and 105,124.37

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Solution

The fourth proportional to 341,779.64, 512,677.67 and 105,124.37 is: 157,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,779.64 : 512,677.67 = 105,124.37 : x
  2. Step 2: Convert to fraction form
    341,779.64/512,677.67 = 105,124.37/x
  3. Step 3: Cross multiply
    341,779.64x = 512,677.67 × 105,124.37
  4. Step 4: Simplify right side
    341,779.64x = 53,894,913,982.81
  5. Step 5: Solve for x
    x = 53,894,913,982.81/341,779.64
  6. Step 6: Final answer
    x = 157,689.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.