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Finding the Fourth Proportional to 238,810.30, 357,428.06 and 132,030.06

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Solution

The fourth proportional to 238,810.30, 357,428.06 and 132,030.06 is: 197,609.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,810.30 : 357,428.06 = 132,030.06 : x
  2. Step 2: Convert to fraction form
    238,810.30/357,428.06 = 132,030.06/x
  3. Step 3: Cross multiply
    238,810.30x = 357,428.06 × 132,030.06
  4. Step 4: Simplify right side
    238,810.30x = 47,191,248,207.48
  5. Step 5: Solve for x
    x = 47,191,248,207.48/238,810.30
  6. Step 6: Final answer
    x = 197,609.77

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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.