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Finding the Fourth Proportional to 104,000.20, 156,000.30 and 62,009.80

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Solution

The fourth proportional to 104,000.20, 156,000.30 and 62,009.80 is: 93,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,000.20 : 156,000.30 = 62,009.80 : x
  2. Step 2: Convert to fraction form
    104,000.20/156,000.30 = 62,009.80/x
  3. Step 3: Cross multiply
    104,000.20x = 156,000.30 × 62,009.80
  4. Step 4: Simplify right side
    104,000.20x = 9,673,547,402.94
  5. Step 5: Solve for x
    x = 9,673,547,402.94/104,000.20
  6. Step 6: Final answer
    x = 93,014.70

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1.5x scale

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.