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Finding the Fourth Proportional to 71,064,009.80, 106,596,014.70 and 71,064,009.80

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Solution

The fourth proportional to 71,064,009.80, 106,596,014.70 and 71,064,009.80 is: 106,596,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,064,009.80 : 106,596,014.70 = 71,064,009.80 : x
  2. Step 2: Convert to fraction form
    71,064,009.80/106,596,014.70 = 71,064,009.80/x
  3. Step 3: Cross multiply
    71,064,009.80x = 106,596,014.70 × 71,064,009.80
  4. Step 4: Simplify right side
    71,064,009.80x = 7,575,140,233,281,744
  5. Step 5: Solve for x
    x = 7,575,140,233,281,744/71,064,009.80
  6. Step 6: Final answer
    x = 106,596,014.70

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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.