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Finding the Fourth Proportional to 238,563.04, 357,888.30 and 98,245.12

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Solution

The fourth proportional to 238,563.04, 357,888.30 and 98,245.12 is: 147,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,563.04 : 357,888.30 = 98,245.12 : x
  2. Step 2: Convert to fraction form
    238,563.04/357,888.30 = 98,245.12/x
  3. Step 3: Cross multiply
    238,563.04x = 357,888.30 × 98,245.12
  4. Step 4: Simplify right side
    238,563.04x = 35,160,778,980.10
  5. Step 5: Solve for x
    x = 35,160,778,980.10/238,563.04
  6. Step 6: Final answer
    x = 147,385.69

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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.