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Finding the Fourth Proportional to 356,683.32, 535,094.88 and 132,045.60

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Solution

The fourth proportional to 356,683.32, 535,094.88 and 132,045.60 is: 198,094.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,683.32 : 535,094.88 = 132,045.60 : x
  2. Step 2: Convert to fraction form
    356,683.32/535,094.88 = 132,045.60/x
  3. Step 3: Cross multiply
    356,683.32x = 535,094.88 × 132,045.60
  4. Step 4: Simplify right side
    356,683.32x = 70,656,924,486.53
  5. Step 5: Solve for x
    x = 70,656,924,486.53/356,683.32
  6. Step 6: Final answer
    x = 198,094.28

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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.