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Finding the Fourth Proportional to 162,857.60, 244,329.60 and 57,665.60

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Solution

The fourth proportional to 162,857.60, 244,329.60 and 57,665.60 is: 86,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,857.60 : 244,329.60 = 57,665.60 : x
  2. Step 2: Convert to fraction form
    162,857.60/244,329.60 = 57,665.60/x
  3. Step 3: Cross multiply
    162,857.60x = 244,329.60 × 57,665.60
  4. Step 4: Simplify right side
    162,857.60x = 14,089,412,981.76
  5. Step 5: Solve for x
    x = 14,089,412,981.76/162,857.60
  6. Step 6: Final answer
    x = 86,513.70

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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.