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Finding the Fourth Proportional to 155,362.80, 233,044.20 and 153,807.60

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Solution

The fourth proportional to 155,362.80, 233,044.20 and 153,807.60 is: 230,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,362.80 : 233,044.20 = 153,807.60 : x
  2. Step 2: Convert to fraction form
    155,362.80/233,044.20 = 153,807.60/x
  3. Step 3: Cross multiply
    155,362.80x = 233,044.20 × 153,807.60
  4. Step 4: Simplify right side
    155,362.80x = 35,843,969,095.92
  5. Step 5: Solve for x
    x = 35,843,969,095.92/155,362.80
  6. Step 6: Final answer
    x = 230,711.40

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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.