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Finding the Fourth Proportional to 169,468,319.60, 254,202,479.40 and 46,646,399.60

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Solution

The fourth proportional to 169,468,319.60, 254,202,479.40 and 46,646,399.60 is: 69,969,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,468,319.60 : 254,202,479.40 = 46,646,399.60 : x
  2. Step 2: Convert to fraction form
    169,468,319.60/254,202,479.40 = 46,646,399.60/x
  3. Step 3: Cross multiply
    169,468,319.60x = 254,202,479.40 × 46,646,399.60
  4. Step 4: Simplify right side
    169,468,319.60x = 11,857,630,433,403,168
  5. Step 5: Solve for x
    x = 11,857,630,433,403,168/169,468,319.60
  6. Step 6: Final answer
    x = 69,969,599.40

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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.