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Finding the Fourth Proportional to 187,817.60, 282,417.60 and 157,404.80

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Solution

The fourth proportional to 187,817.60, 282,417.60 and 157,404.80 is: 236,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,817.60 : 282,417.60 = 157,404.80 : x
  2. Step 2: Convert to fraction form
    187,817.60/282,417.60 = 157,404.80/x
  3. Step 3: Cross multiply
    187,817.60x = 282,417.60 × 157,404.80
  4. Step 4: Simplify right side
    187,817.60x = 44,453,885,844.48
  5. Step 5: Solve for x
    x = 44,453,885,844.48/187,817.60
  6. Step 6: Final answer
    x = 236,686.48

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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.