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Finding the Fourth Proportional to 79,166,807.40, 118,750,211.10 and 79,166,807.40

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Solution

The fourth proportional to 79,166,807.40, 118,750,211.10 and 79,166,807.40 is: 118,750,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,166,807.40 : 118,750,211.10 = 79,166,807.40 : x
  2. Step 2: Convert to fraction form
    79,166,807.40/118,750,211.10 = 79,166,807.40/x
  3. Step 3: Cross multiply
    79,166,807.40x = 118,750,211.10 × 79,166,807.40
  4. Step 4: Simplify right side
    79,166,807.40x = 9,401,075,090,863,042
  5. Step 5: Solve for x
    x = 9,401,075,090,863,042/79,166,807.40
  6. Step 6: Final answer
    x = 118,750,211.10

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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.