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Finding the Fourth Proportional to 116,000.30, 173,860.05 and 49,300.40

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Solution

The fourth proportional to 116,000.30, 173,860.05 and 49,300.40 is: 73,890.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,000.30 : 173,860.05 = 49,300.40 : x
  2. Step 2: Convert to fraction form
    116,000.30/173,860.05 = 49,300.40/x
  3. Step 3: Cross multiply
    116,000.30x = 173,860.05 × 49,300.40
  4. Step 4: Simplify right side
    116,000.30x = 8,571,370,009.02
  5. Step 5: Solve for x
    x = 8,571,370,009.02/116,000.30
  6. Step 6: Final answer
    x = 73,890.93

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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.