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Finding the Fourth Proportional to 83,893,762.80, 125,840,653.34 and 25,601,746.41

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Solution

The fourth proportional to 83,893,762.80, 125,840,653.34 and 25,601,746.41 is: 38,402,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,893,762.80 : 125,840,653.34 = 25,601,746.41 : x
  2. Step 2: Convert to fraction form
    83,893,762.80/125,840,653.34 = 25,601,746.41/x
  3. Step 3: Cross multiply
    83,893,762.80x = 125,840,653.34 × 25,601,746.41
  4. Step 4: Simplify right side
    83,893,762.80x = 3,221,740,494,751,390.50
  5. Step 5: Solve for x
    x = 3,221,740,494,751,390.50/83,893,762.80
  6. Step 6: Final answer
    x = 38,402,622.40

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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.