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Finding the Fourth Proportional to 260,094.50, 358,930.41 and 140,862.50

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Solution

The fourth proportional to 260,094.50, 358,930.41 and 140,862.50 is: 194,390.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,094.50 : 358,930.41 = 140,862.50 : x
  2. Step 2: Convert to fraction form
    260,094.50/358,930.41 = 140,862.50/x
  3. Step 3: Cross multiply
    260,094.50x = 358,930.41 × 140,862.50
  4. Step 4: Simplify right side
    260,094.50x = 50,559,834,878.63
  5. Step 5: Solve for x
    x = 50,559,834,878.63/260,094.50
  6. Step 6: Final answer
    x = 194,390.25

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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.