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Finding the Fourth Proportional to 260,141.44, 390,192.72 and 93,929.44

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Solution

The fourth proportional to 260,141.44, 390,192.72 and 93,929.44 is: 140,887.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,141.44 : 390,192.72 = 93,929.44 : x
  2. Step 2: Convert to fraction form
    260,141.44/390,192.72 = 93,929.44/x
  3. Step 3: Cross multiply
    260,141.44x = 390,192.72 × 93,929.44
  4. Step 4: Simplify right side
    260,141.44x = 36,650,583,681.68
  5. Step 5: Solve for x
    x = 36,650,583,681.68/260,141.44
  6. Step 6: Final answer
    x = 140,887.14

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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.