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Finding the Fourth Proportional to 210,177.60, 315,266.40 and 183,933.60

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Solution

The fourth proportional to 210,177.60, 315,266.40 and 183,933.60 is: 275,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,177.60 : 315,266.40 = 183,933.60 : x
  2. Step 2: Convert to fraction form
    210,177.60/315,266.40 = 183,933.60/x
  3. Step 3: Cross multiply
    210,177.60x = 315,266.40 × 183,933.60
  4. Step 4: Simplify right side
    210,177.60x = 57,988,083,911.04
  5. Step 5: Solve for x
    x = 57,988,083,911.04/210,177.60
  6. Step 6: Final answer
    x = 275,900.40

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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.