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Finding the Fourth Proportional to 238,888.48, 358,275.31 and 70,363.28

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Solution

The fourth proportional to 238,888.48, 358,275.31 and 70,363.28 is: 105,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,888.48 : 358,275.31 = 70,363.28 : x
  2. Step 2: Convert to fraction form
    238,888.48/358,275.31 = 70,363.28/x
  3. Step 3: Cross multiply
    238,888.48x = 358,275.31 × 70,363.28
  4. Step 4: Simplify right side
    238,888.48x = 25,209,425,954.62
  5. Step 5: Solve for x
    x = 25,209,425,954.62/238,888.48
  6. Step 6: Final answer
    x = 105,528.01

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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.