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Finding the Fourth Proportional to 270,967.84, 406,302.45 and 93,328.36

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Solution

The fourth proportional to 270,967.84, 406,302.45 and 93,328.36 is: 139,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,967.84 : 406,302.45 = 93,328.36 : x
  2. Step 2: Convert to fraction form
    270,967.84/406,302.45 = 93,328.36/x
  3. Step 3: Cross multiply
    270,967.84x = 406,302.45 × 93,328.36
  4. Step 4: Simplify right side
    270,967.84x = 37,919,541,322.48
  5. Step 5: Solve for x
    x = 37,919,541,322.48/270,967.84
  6. Step 6: Final answer
    x = 139,941.11

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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.