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Finding the Fourth Proportional to 34,604,545.02, 51,911,978.04 and 12,743,242.89

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Solution

The fourth proportional to 34,604,545.02, 51,911,978.04 and 12,743,242.89 is: 19,116,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,604,545.02 : 51,911,978.04 = 12,743,242.89 : x
  2. Step 2: Convert to fraction form
    34,604,545.02/51,911,978.04 = 12,743,242.89/x
  3. Step 3: Cross multiply
    34,604,545.02x = 51,911,978.04 × 12,743,242.89
  4. Step 4: Simplify right side
    34,604,545.02x = 661,526,945,064,066.12
  5. Step 5: Solve for x
    x = 661,526,945,064,066.12/34,604,545.02
  6. Step 6: Final answer
    x = 19,116,764.71

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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.