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Finding the Fourth Proportional to 162,971,344.80, 244,457,017.20 and 53,813,363.40

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Solution

The fourth proportional to 162,971,344.80, 244,457,017.20 and 53,813,363.40 is: 80,720,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,971,344.80 : 244,457,017.20 = 53,813,363.40 : x
  2. Step 2: Convert to fraction form
    162,971,344.80/244,457,017.20 = 53,813,363.40/x
  3. Step 3: Cross multiply
    162,971,344.80x = 244,457,017.20 × 53,813,363.40
  4. Step 4: Simplify right side
    162,971,344.80x = 13,155,054,302,263,650
  5. Step 5: Solve for x
    x = 13,155,054,302,263,650/162,971,344.80
  6. Step 6: Final answer
    x = 80,720,045.10

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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.