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Finding the Fourth Proportional to 101,955,257.60, 152,932,886.40 and 91,751,590.40

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Solution

The fourth proportional to 101,955,257.60, 152,932,886.40 and 91,751,590.40 is: 137,627,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,955,257.60 : 152,932,886.40 = 91,751,590.40 : x
  2. Step 2: Convert to fraction form
    101,955,257.60/152,932,886.40 = 91,751,590.40/x
  3. Step 3: Cross multiply
    101,955,257.60x = 152,932,886.40 × 91,751,590.40
  4. Step 4: Simplify right side
    101,955,257.60x = 14,031,835,551,662,532
  5. Step 5: Solve for x
    x = 14,031,835,551,662,532/101,955,257.60
  6. Step 6: Final answer
    x = 137,627,385.60

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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.