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Finding the Fourth Proportional to 155,362.80, 233,044.20 and 61,820.40

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Solution

The fourth proportional to 155,362.80, 233,044.20 and 61,820.40 is: 92,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,362.80 : 233,044.20 = 61,820.40 : x
  2. Step 2: Convert to fraction form
    155,362.80/233,044.20 = 61,820.40/x
  3. Step 3: Cross multiply
    155,362.80x = 233,044.20 × 61,820.40
  4. Step 4: Simplify right side
    155,362.80x = 14,406,885,661.68
  5. Step 5: Solve for x
    x = 14,406,885,661.68/155,362.80
  6. Step 6: Final answer
    x = 92,730.60

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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.