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Finding the Fourth Proportional to 64,345,419.45, 96,518,129.18 and 64,345,419.45

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Solution

The fourth proportional to 64,345,419.45, 96,518,129.18 and 64,345,419.45 is: 96,518,129.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,345,419.45 : 96,518,129.18 = 64,345,419.45 : x
  2. Step 2: Convert to fraction form
    64,345,419.45/96,518,129.18 = 64,345,419.45/x
  3. Step 3: Cross multiply
    64,345,419.45x = 96,518,129.18 × 64,345,419.45
  4. Step 4: Simplify right side
    64,345,419.45x = 6,210,499,506,294,658
  5. Step 5: Solve for x
    x = 6,210,499,506,294,658/64,345,419.45
  6. Step 6: Final answer
    x = 96,518,129.18

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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.