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Finding the Fourth Proportional to 266,359,879.68, 399,571,835.04 and 93,801,030.72

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Solution

The fourth proportional to 266,359,879.68, 399,571,835.04 and 93,801,030.72 is: 140,712,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,359,879.68 : 399,571,835.04 = 93,801,030.72 : x
  2. Step 2: Convert to fraction form
    266,359,879.68/399,571,835.04 = 93,801,030.72/x
  3. Step 3: Cross multiply
    266,359,879.68x = 399,571,835.04 × 93,801,030.72
  4. Step 4: Simplify right side
    266,359,879.68x = 37,480,249,973,433,816
  5. Step 5: Solve for x
    x = 37,480,249,973,433,816/266,359,879.68
  6. Step 6: Final answer
    x = 140,712,820.63

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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.