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Finding the Fourth Proportional to 53,822,978.60, 80,746,277.70 and 17,433,048.20

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Solution

The fourth proportional to 53,822,978.60, 80,746,277.70 and 17,433,048.20 is: 26,153,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,822,978.60 : 80,746,277.70 = 17,433,048.20 : x
  2. Step 2: Convert to fraction form
    53,822,978.60/80,746,277.70 = 17,433,048.20/x
  3. Step 3: Cross multiply
    53,822,978.60x = 80,746,277.70 × 17,433,048.20
  4. Step 4: Simplify right side
    53,822,978.60x = 1,407,653,751,114,685.25
  5. Step 5: Solve for x
    x = 1,407,653,751,114,685.25/53,822,978.60
  6. Step 6: Final answer
    x = 26,153,397.45

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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.