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Finding the Fourth Proportional to 238,220.80, 357,003.15 and 158,030.80

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Solution

The fourth proportional to 238,220.80, 357,003.15 and 158,030.80 is: 236,828.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,220.80 : 357,003.15 = 158,030.80 : x
  2. Step 2: Convert to fraction form
    238,220.80/357,003.15 = 158,030.80/x
  3. Step 3: Cross multiply
    238,220.80x = 357,003.15 × 158,030.80
  4. Step 4: Simplify right side
    238,220.80x = 56,417,493,397.02
  5. Step 5: Solve for x
    x = 56,417,493,397.02/238,220.80
  6. Step 6: Final answer
    x = 236,828.58

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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.