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Finding the Fourth Proportional to 78,909,706, 118,364,559 and 22,176,010

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Solution

The fourth proportional to 78,909,706, 118,364,559 and 22,176,010 is: 33,264,015

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,909,706 : 118,364,559 = 22,176,010 : x
  2. Step 2: Convert to fraction form
    78,909,706/118,364,559 = 22,176,010/x
  3. Step 3: Cross multiply
    78,909,706x = 118,364,559 × 22,176,010
  4. Step 4: Simplify right side
    78,909,706x = 2,624,853,644,029,590
  5. Step 5: Solve for x
    x = 2,624,853,644,029,590/78,909,706
  6. Step 6: Final answer
    x = 33,264,015

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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.