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Finding the Fourth Proportional to 238,225.39, 328,751.67 and 130,802.38

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Solution

The fourth proportional to 238,225.39, 328,751.67 and 130,802.38 is: 180,507.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,225.39 : 328,751.67 = 130,802.38 : x
  2. Step 2: Convert to fraction form
    238,225.39/328,751.67 = 130,802.38/x
  3. Step 3: Cross multiply
    238,225.39x = 328,751.67 × 130,802.38
  4. Step 4: Simplify right side
    238,225.39x = 43,001,500,533.60
  5. Step 5: Solve for x
    x = 43,001,500,533.60/238,225.39
  6. Step 6: Final answer
    x = 180,507.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.