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Finding the Fourth Proportional to 52,653,611.10, 78,838,699.05 and 52,653,611.10

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Solution

The fourth proportional to 52,653,611.10, 78,838,699.05 and 52,653,611.10 is: 78,838,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,653,611.10 : 78,838,699.05 = 52,653,611.10 : x
  2. Step 2: Convert to fraction form
    52,653,611.10/78,838,699.05 = 52,653,611.10/x
  3. Step 3: Cross multiply
    52,653,611.10x = 78,838,699.05 × 52,653,611.10
  4. Step 4: Simplify right side
    52,653,611.10x = 4,151,142,199,408,639.50
  5. Step 5: Solve for x
    x = 4,151,142,199,408,639.50/52,653,611.10
  6. Step 6: Final answer
    x = 78,838,699.05

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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.