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Finding the Fourth Proportional to 242,602.60, 363,904.26 and 84,830.80

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Solution

The fourth proportional to 242,602.60, 363,904.26 and 84,830.80 is: 127,246.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,602.60 : 363,904.26 = 84,830.80 : x
  2. Step 2: Convert to fraction form
    242,602.60/363,904.26 = 84,830.80/x
  3. Step 3: Cross multiply
    242,602.60x = 363,904.26 × 84,830.80
  4. Step 4: Simplify right side
    242,602.60x = 30,870,289,499.21
  5. Step 5: Solve for x
    x = 30,870,289,499.21/242,602.60
  6. Step 6: Final answer
    x = 127,246.33

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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.