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Finding the Fourth Proportional to 53,203,710.40, 79,805,565.60 and 53,203,710.40

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Solution

The fourth proportional to 53,203,710.40, 79,805,565.60 and 53,203,710.40 is: 79,805,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,203,710.40 : 79,805,565.60 = 53,203,710.40 : x
  2. Step 2: Convert to fraction form
    53,203,710.40/79,805,565.60 = 53,203,710.40/x
  3. Step 3: Cross multiply
    53,203,710.40x = 79,805,565.60 × 53,203,710.40
  4. Step 4: Simplify right side
    53,203,710.40x = 4,245,952,200,490,602
  5. Step 5: Solve for x
    x = 4,245,952,200,490,602/53,203,710.40
  6. Step 6: Final answer
    x = 79,805,565.60

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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.