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Finding the Fourth Proportional to 64,950,751.16, 89,632,029.04 and 38,845,264.96

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Solution

The fourth proportional to 64,950,751.16, 89,632,029.04 and 38,845,264.96 is: 53,606,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,950,751.16 : 89,632,029.04 = 38,845,264.96 : x
  2. Step 2: Convert to fraction form
    64,950,751.16/89,632,029.04 = 38,845,264.96/x
  3. Step 3: Cross multiply
    64,950,751.16x = 89,632,029.04 × 38,845,264.96
  4. Step 4: Simplify right side
    64,950,751.16x = 3,481,779,916,961,215
  5. Step 5: Solve for x
    x = 3,481,779,916,961,215/64,950,751.16
  6. Step 6: Final answer
    x = 53,606,461.12

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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.