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Finding the Fourth Proportional to 53,006,590.80, 79,509,886.20 and 53,006,590.80

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Solution

The fourth proportional to 53,006,590.80, 79,509,886.20 and 53,006,590.80 is: 79,509,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,006,590.80 : 79,509,886.20 = 53,006,590.80 : x
  2. Step 2: Convert to fraction form
    53,006,590.80/79,509,886.20 = 53,006,590.80/x
  3. Step 3: Cross multiply
    53,006,590.80x = 79,509,886.20 × 53,006,590.80
  4. Step 4: Simplify right side
    53,006,590.80x = 4,214,548,002,357,967
  5. Step 5: Solve for x
    x = 4,214,548,002,357,967/53,006,590.80
  6. Step 6: Final answer
    x = 79,509,886.20

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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.