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Finding the Fourth Proportional to 162,971,363.80, 244,457,045.70 and 53,813,382.40

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Solution

The fourth proportional to 162,971,363.80, 244,457,045.70 and 53,813,382.40 is: 80,720,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,971,363.80 : 244,457,045.70 = 53,813,382.40 : x
  2. Step 2: Convert to fraction form
    162,971,363.80/244,457,045.70 = 53,813,382.40/x
  3. Step 3: Cross multiply
    162,971,363.80x = 244,457,045.70 × 53,813,382.40
  4. Step 4: Simplify right side
    162,971,363.80x = 13,155,060,480,628,374
  5. Step 5: Solve for x
    x = 13,155,060,480,628,374/162,971,363.80
  6. Step 6: Final answer
    x = 80,720,073.60

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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.