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Finding the Fourth Proportional to 73,595,509.80, 110,393,264.70 and 25,128,090.60

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Solution

The fourth proportional to 73,595,509.80, 110,393,264.70 and 25,128,090.60 is: 37,692,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,595,509.80 : 110,393,264.70 = 25,128,090.60 : x
  2. Step 2: Convert to fraction form
    73,595,509.80/110,393,264.70 = 25,128,090.60/x
  3. Step 3: Cross multiply
    73,595,509.80x = 110,393,264.70 × 25,128,090.60
  4. Step 4: Simplify right side
    73,595,509.80x = 2,773,971,957,011,382
  5. Step 5: Solve for x
    x = 2,773,971,957,011,382/73,595,509.80
  6. Step 6: Final answer
    x = 37,692,135.90

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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.