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Finding the Fourth Proportional to 60,669,071.80, 91,003,607.70 and 26,656,847.80

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Solution

The fourth proportional to 60,669,071.80, 91,003,607.70 and 26,656,847.80 is: 39,985,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,669,071.80 : 91,003,607.70 = 26,656,847.80 : x
  2. Step 2: Convert to fraction form
    60,669,071.80/91,003,607.70 = 26,656,847.80/x
  3. Step 3: Cross multiply
    60,669,071.80x = 91,003,607.70 × 26,656,847.80
  4. Step 4: Simplify right side
    60,669,071.80x = 2,425,869,319,709,808
  5. Step 5: Solve for x
    x = 2,425,869,319,709,808/60,669,071.80
  6. Step 6: Final answer
    x = 39,985,271.70

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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.