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Finding the Fourth Proportional to 60,703,611.10, 85,176,374.30 and 60,703,611.10

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Solution

The fourth proportional to 60,703,611.10, 85,176,374.30 and 60,703,611.10 is: 85,176,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,703,611.10 : 85,176,374.30 = 60,703,611.10 : x
  2. Step 2: Convert to fraction form
    60,703,611.10/85,176,374.30 = 60,703,611.10/x
  3. Step 3: Cross multiply
    60,703,611.10x = 85,176,374.30 × 60,703,611.10
  4. Step 4: Simplify right side
    60,703,611.10x = 5,170,513,500,415,235
  5. Step 5: Solve for x
    x = 5,170,513,500,415,235/60,703,611.10
  6. Step 6: Final answer
    x = 85,176,374.30

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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.