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Finding the Fourth Proportional to 235,573.84, 324,984.64 and 140,026.24

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Solution

The fourth proportional to 235,573.84, 324,984.64 and 140,026.24 is: 193,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,573.84 : 324,984.64 = 140,026.24 : x
  2. Step 2: Convert to fraction form
    235,573.84/324,984.64 = 140,026.24/x
  3. Step 3: Cross multiply
    235,573.84x = 324,984.64 × 140,026.24
  4. Step 4: Simplify right side
    235,573.84x = 45,506,377,196.95
  5. Step 5: Solve for x
    x = 45,506,377,196.95/235,573.84
  6. Step 6: Final answer
    x = 193,172.46

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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.