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Finding the Fourth Proportional to 264,868,752.80, 365,515,978.11 and 145,788,799.01

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Solution

The fourth proportional to 264,868,752.80, 365,515,978.11 and 145,788,799.01 is: 201,186,946.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,868,752.80 : 365,515,978.11 = 145,788,799.01 : x
  2. Step 2: Convert to fraction form
    264,868,752.80/365,515,978.11 = 145,788,799.01/x
  3. Step 3: Cross multiply
    264,868,752.80x = 365,515,978.11 × 145,788,799.01
  4. Step 4: Simplify right side
    264,868,752.80x = 53,288,135,465,794,768
  5. Step 5: Solve for x
    x = 53,288,135,465,794,768/264,868,752.80
  6. Step 6: Final answer
    x = 201,186,946.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.