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Finding the Fourth Proportional to 162,986,873.80, 244,396,329.90 and 60,698,259.40

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Solution

The fourth proportional to 162,986,873.80, 244,396,329.90 and 60,698,259.40 is: 91,016,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,986,873.80 : 244,396,329.90 = 60,698,259.40 : x
  2. Step 2: Convert to fraction form
    162,986,873.80/244,396,329.90 = 60,698,259.40/x
  3. Step 3: Cross multiply
    162,986,873.80x = 244,396,329.90 × 60,698,259.40
  4. Step 4: Simplify right side
    162,986,873.80x = 14,834,431,828,678,176
  5. Step 5: Solve for x
    x = 14,834,431,828,678,176/162,986,873.80
  6. Step 6: Final answer
    x = 91,016,113.65

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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.