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Finding the Fourth Proportional to 116,658.30, 174,987.45 and 93,330.30

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Solution

The fourth proportional to 116,658.30, 174,987.45 and 93,330.30 is: 139,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,658.30 : 174,987.45 = 93,330.30 : x
  2. Step 2: Convert to fraction form
    116,658.30/174,987.45 = 93,330.30/x
  3. Step 3: Cross multiply
    116,658.30x = 174,987.45 × 93,330.30
  4. Step 4: Simplify right side
    116,658.30x = 16,331,631,204.74
  5. Step 5: Solve for x
    x = 16,331,631,204.74/116,658.30
  6. Step 6: Final answer
    x = 139,995.45

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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.