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Finding the Fourth Proportional to 61,807,230.40, 92,710,384.80 and 18,676,350.40

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Solution

The fourth proportional to 61,807,230.40, 92,710,384.80 and 18,676,350.40 is: 28,014,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,807,230.40 : 92,710,384.80 = 18,676,350.40 : x
  2. Step 2: Convert to fraction form
    61,807,230.40/92,710,384.80 = 18,676,350.40/x
  3. Step 3: Cross multiply
    61,807,230.40x = 92,710,384.80 × 18,676,350.40
  4. Step 4: Simplify right side
    61,807,230.40x = 1,731,491,632,243,633.75
  5. Step 5: Solve for x
    x = 1,731,491,632,243,633.75/61,807,230.40
  6. Step 6: Final answer
    x = 28,014,386.36

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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.