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Finding the Fourth Proportional to 64,973,372.52, 89,663,255.04 and 35,605,860.84

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Solution

The fourth proportional to 64,973,372.52, 89,663,255.04 and 35,605,860.84 is: 49,136,088.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,973,372.52 : 89,663,255.04 = 35,605,860.84 : x
  2. Step 2: Convert to fraction form
    64,973,372.52/89,663,255.04 = 35,605,860.84/x
  3. Step 3: Cross multiply
    64,973,372.52x = 89,663,255.04 × 35,605,860.84
  4. Step 4: Simplify right side
    64,973,372.52x = 3,192,537,381,415,669
  5. Step 5: Solve for x
    x = 3,192,537,381,415,669/64,973,372.52
  6. Step 6: Final answer
    x = 49,136,088.49

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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.