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Finding the Fourth Proportional to 238,220.30, 357,002.40 and 158,030.30

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Solution

The fourth proportional to 238,220.30, 357,002.40 and 158,030.30 is: 236,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,220.30 : 357,002.40 = 158,030.30 : x
  2. Step 2: Convert to fraction form
    238,220.30/357,002.40 = 158,030.30/x
  3. Step 3: Cross multiply
    238,220.30x = 357,002.40 × 158,030.30
  4. Step 4: Simplify right side
    238,220.30x = 56,417,196,372.72
  5. Step 5: Solve for x
    x = 56,417,196,372.72/238,220.30
  6. Step 6: Final answer
    x = 236,827.83

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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.