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Finding the Fourth Proportional to 53,808,547.80, 80,712,821.70 and 32,267,472.60

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Solution

The fourth proportional to 53,808,547.80, 80,712,821.70 and 32,267,472.60 is: 48,401,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,808,547.80 : 80,712,821.70 = 32,267,472.60 : x
  2. Step 2: Convert to fraction form
    53,808,547.80/80,712,821.70 = 32,267,472.60/x
  3. Step 3: Cross multiply
    53,808,547.80x = 80,712,821.70 × 32,267,472.60
  4. Step 4: Simplify right side
    53,808,547.80x = 2,604,398,762,673,435.50
  5. Step 5: Solve for x
    x = 2,604,398,762,673,435.50/53,808,547.80
  6. Step 6: Final answer
    x = 48,401,208.90

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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.