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Finding the Fourth Proportional to 42,320,200.80, 59,382,650.40 and 42,320,200.80

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Solution

The fourth proportional to 42,320,200.80, 59,382,650.40 and 42,320,200.80 is: 59,382,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,320,200.80 : 59,382,650.40 = 42,320,200.80 : x
  2. Step 2: Convert to fraction form
    42,320,200.80/59,382,650.40 = 42,320,200.80/x
  3. Step 3: Cross multiply
    42,320,200.80x = 59,382,650.40 × 42,320,200.80
  4. Step 4: Simplify right side
    42,320,200.80x = 2,513,085,688,964,200
  5. Step 5: Solve for x
    x = 2,513,085,688,964,200/42,320,200.80
  6. Step 6: Final answer
    x = 59,382,650.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.