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Finding the Fourth Proportional to 64,237,368, 88,647,648 and 34,868,684.64

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Solution

The fourth proportional to 64,237,368, 88,647,648 and 34,868,684.64 is: 48,118,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,237,368 : 88,647,648 = 34,868,684.64 : x
  2. Step 2: Convert to fraction form
    64,237,368/88,647,648 = 34,868,684.64/x
  3. Step 3: Cross multiply
    64,237,368x = 88,647,648 × 34,868,684.64
  4. Step 4: Simplify right side
    64,237,368x = 3,091,026,882,189,727
  5. Step 5: Solve for x
    x = 3,091,026,882,189,727/64,237,368
  6. Step 6: Final answer
    x = 48,118,828.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.