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Finding the Fourth Proportional to 185,398.07, 277,779.68 and 101,217.40

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Solution

The fourth proportional to 185,398.07, 277,779.68 and 101,217.40 is: 151,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,398.07 : 277,779.68 = 101,217.40 : x
  2. Step 2: Convert to fraction form
    185,398.07/277,779.68 = 101,217.40/x
  3. Step 3: Cross multiply
    185,398.07x = 277,779.68 × 101,217.40
  4. Step 4: Simplify right side
    185,398.07x = 28,116,136,161.46
  5. Step 5: Solve for x
    x = 28,116,136,161.46/185,398.07
  6. Step 6: Final answer
    x = 151,652.80

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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.