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Finding the Fourth Proportional to 169,462,497.60, 254,193,746.40 and 46,640,577.60

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Solution

The fourth proportional to 169,462,497.60, 254,193,746.40 and 46,640,577.60 is: 69,960,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,462,497.60 : 254,193,746.40 = 46,640,577.60 : x
  2. Step 2: Convert to fraction form
    169,462,497.60/254,193,746.40 = 46,640,577.60/x
  3. Step 3: Cross multiply
    169,462,497.60x = 254,193,746.40 × 46,640,577.60
  4. Step 4: Simplify right side
    169,462,497.60x = 11,855,743,154,403,922
  5. Step 5: Solve for x
    x = 11,855,743,154,403,922/169,462,497.60
  6. Step 6: Final answer
    x = 69,960,866.40

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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.