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Finding the Fourth Proportional to 352,068.40, 528,102.60 and 127,536.40

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Solution

The fourth proportional to 352,068.40, 528,102.60 and 127,536.40 is: 191,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,068.40 : 528,102.60 = 127,536.40 : x
  2. Step 2: Convert to fraction form
    352,068.40/528,102.60 = 127,536.40/x
  3. Step 3: Cross multiply
    352,068.40x = 528,102.60 × 127,536.40
  4. Step 4: Simplify right side
    352,068.40x = 67,352,304,434.64
  5. Step 5: Solve for x
    x = 67,352,304,434.64/352,068.40
  6. Step 6: Final answer
    x = 191,304.60

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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.