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Finding the Fourth Proportional to 146,135.60, 218,814.60 and 93,258.80

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Solution

The fourth proportional to 146,135.60, 218,814.60 and 93,258.80 is: 139,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,135.60 : 218,814.60 = 93,258.80 : x
  2. Step 2: Convert to fraction form
    146,135.60/218,814.60 = 93,258.80/x
  3. Step 3: Cross multiply
    146,135.60x = 218,814.60 × 93,258.80
  4. Step 4: Simplify right side
    146,135.60x = 20,406,387,018.48
  5. Step 5: Solve for x
    x = 20,406,387,018.48/146,135.60
  6. Step 6: Final answer
    x = 139,640.08

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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.