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Finding the Fourth Proportional to 116,890.40, 175,270.80 and 46,690.40

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Solution

The fourth proportional to 116,890.40, 175,270.80 and 46,690.40 is: 70,009.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,890.40 : 175,270.80 = 46,690.40 : x
  2. Step 2: Convert to fraction form
    116,890.40/175,270.80 = 46,690.40/x
  3. Step 3: Cross multiply
    116,890.40x = 175,270.80 × 46,690.40
  4. Step 4: Simplify right side
    116,890.40x = 8,183,463,760.32
  5. Step 5: Solve for x
    x = 8,183,463,760.32/116,890.40
  6. Step 6: Final answer
    x = 70,009.72

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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.