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Finding the Fourth Proportional to 97,470,345.90, 145,992,942.45 and 97,470,345.90

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Solution

The fourth proportional to 97,470,345.90, 145,992,942.45 and 97,470,345.90 is: 145,992,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,470,345.90 : 145,992,942.45 = 97,470,345.90 : x
  2. Step 2: Convert to fraction form
    97,470,345.90/145,992,942.45 = 97,470,345.90/x
  3. Step 3: Cross multiply
    97,470,345.90x = 145,992,942.45 × 97,470,345.90
  4. Step 4: Simplify right side
    97,470,345.90x = 14,229,982,599,560,294
  5. Step 5: Solve for x
    x = 14,229,982,599,560,294/97,470,345.90
  6. Step 6: Final answer
    x = 145,992,942.45

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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.