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Finding the Fourth Proportional to 238,903.02, 358,575.96 and 120,657.40

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Solution

The fourth proportional to 238,903.02, 358,575.96 and 120,657.40 is: 181,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,903.02 : 358,575.96 = 120,657.40 : x
  2. Step 2: Convert to fraction form
    238,903.02/358,575.96 = 120,657.40/x
  3. Step 3: Cross multiply
    238,903.02x = 358,575.96 × 120,657.40
  4. Step 4: Simplify right side
    238,903.02x = 43,264,842,592.13
  5. Step 5: Solve for x
    x = 43,264,842,592.13/238,903.02
  6. Step 6: Final answer
    x = 181,097.93

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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.