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Finding the Fourth Proportional to 66,879,601.20, 93,518,067.60 and 66,879,601.20

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Solution

The fourth proportional to 66,879,601.20, 93,518,067.60 and 66,879,601.20 is: 93,518,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,879,601.20 : 93,518,067.60 = 66,879,601.20 : x
  2. Step 2: Convert to fraction form
    66,879,601.20/93,518,067.60 = 66,879,601.20/x
  3. Step 3: Cross multiply
    66,879,601.20x = 93,518,067.60 × 66,879,601.20
  4. Step 4: Simplify right side
    66,879,601.20x = 6,254,451,066,082,641
  5. Step 5: Solve for x
    x = 6,254,451,066,082,641/66,879,601.20
  6. Step 6: Final answer
    x = 93,518,067.60

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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.