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Finding the Fourth Proportional to 53,012,757.40, 79,407,161.70 and 53,012,757.40

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Solution

The fourth proportional to 53,012,757.40, 79,407,161.70 and 53,012,757.40 is: 79,407,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,012,757.40 : 79,407,161.70 = 53,012,757.40 : x
  2. Step 2: Convert to fraction form
    53,012,757.40/79,407,161.70 = 53,012,757.40/x
  3. Step 3: Cross multiply
    53,012,757.40x = 79,407,161.70 × 53,012,757.40
  4. Step 4: Simplify right side
    53,012,757.40x = 4,209,592,599,024,671.50
  5. Step 5: Solve for x
    x = 4,209,592,599,024,671.50/53,012,757.40
  6. Step 6: Final answer
    x = 79,407,161.70

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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.