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Finding the Fourth Proportional to 65,772,005.20, 92,282,361.20 and 65,772,005.20

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Solution

The fourth proportional to 65,772,005.20, 92,282,361.20 and 65,772,005.20 is: 92,282,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,772,005.20 : 92,282,361.20 = 65,772,005.20 : x
  2. Step 2: Convert to fraction form
    65,772,005.20/92,282,361.20 = 65,772,005.20/x
  3. Step 3: Cross multiply
    65,772,005.20x = 92,282,361.20 × 65,772,005.20
  4. Step 4: Simplify right side
    65,772,005.20x = 6,069,595,940,714,679
  5. Step 5: Solve for x
    x = 6,069,595,940,714,679/65,772,005.20
  6. Step 6: Final answer
    x = 92,282,361.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.