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Finding the Fourth Proportional to 201,910,549.68, 302,916,782.16 and 56,343,989.52

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Solution

The fourth proportional to 201,910,549.68, 302,916,782.16 and 56,343,989.52 is: 84,530,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,910,549.68 : 302,916,782.16 = 56,343,989.52 : x
  2. Step 2: Convert to fraction form
    201,910,549.68/302,916,782.16 = 56,343,989.52/x
  3. Step 3: Cross multiply
    201,910,549.68x = 302,916,782.16 × 56,343,989.52
  4. Step 4: Simplify right side
    201,910,549.68x = 17,067,539,999,455,166
  5. Step 5: Solve for x
    x = 17,067,539,999,455,166/201,910,549.68
  6. Step 6: Final answer
    x = 84,530,204.22

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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.