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Finding the Fourth Proportional to 92,772,038.53, 139,158,057.80 and 92,772,038.53

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Solution

The fourth proportional to 92,772,038.53, 139,158,057.80 and 92,772,038.53 is: 139,158,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772,038.53 : 139,158,057.80 = 92,772,038.53 : x
  2. Step 2: Convert to fraction form
    92,772,038.53/139,158,057.80 = 92,772,038.53/x
  3. Step 3: Cross multiply
    92,772,038.53x = 139,158,057.80 × 92,772,038.53
  4. Step 4: Simplify right side
    92,772,038.53x = 12,909,976,699,981,568
  5. Step 5: Solve for x
    x = 12,909,976,699,981,568/92,772,038.53
  6. Step 6: Final answer
    x = 139,158,057.80

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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.