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Finding the Fourth Proportional to 58,314,809.80, 87,472,214.70 and 46,977,401.80

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Solution

The fourth proportional to 58,314,809.80, 87,472,214.70 and 46,977,401.80 is: 70,466,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,314,809.80 : 87,472,214.70 = 46,977,401.80 : x
  2. Step 2: Convert to fraction form
    58,314,809.80/87,472,214.70 = 46,977,401.80/x
  3. Step 3: Cross multiply
    58,314,809.80x = 87,472,214.70 × 46,977,401.80
  4. Step 4: Simplify right side
    58,314,809.80x = 4,109,217,376,297,766.50
  5. Step 5: Solve for x
    x = 4,109,217,376,297,766.50/58,314,809.80
  6. Step 6: Final answer
    x = 70,466,102.70

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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.