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Finding the Fourth Proportional to 235,276.80, 353,054.08 and 93,136

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Solution

The fourth proportional to 235,276.80, 353,054.08 and 93,136 is: 139,758.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,276.80 : 353,054.08 = 93,136 : x
  2. Step 2: Convert to fraction form
    235,276.80/353,054.08 = 93,136/x
  3. Step 3: Cross multiply
    235,276.80x = 353,054.08 × 93,136
  4. Step 4: Simplify right side
    235,276.80x = 32,882,044,794.88
  5. Step 5: Solve for x
    x = 32,882,044,794.88/235,276.80
  6. Step 6: Final answer
    x = 139,758.98

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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.