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Finding the Fourth Proportional to 132,096,623.60, 197,955,978.60 and 97,281,333.20

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Solution

The fourth proportional to 132,096,623.60, 197,955,978.60 and 97,281,333.20 is: 145,782,844.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,096,623.60 : 197,955,978.60 = 97,281,333.20 : x
  2. Step 2: Convert to fraction form
    132,096,623.60/197,955,978.60 = 97,281,333.20/x
  3. Step 3: Cross multiply
    132,096,623.60x = 197,955,978.60 × 97,281,333.20
  4. Step 4: Simplify right side
    132,096,623.60x = 19,257,421,513,118,668
  5. Step 5: Solve for x
    x = 19,257,421,513,118,668/132,096,623.60
  6. Step 6: Final answer
    x = 145,782,844.32

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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.