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Finding the Fourth Proportional to 64,673,996.40, 97,010,994.60 and 60,390,975.60

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Solution

The fourth proportional to 64,673,996.40, 97,010,994.60 and 60,390,975.60 is: 90,586,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,673,996.40 : 97,010,994.60 = 60,390,975.60 : x
  2. Step 2: Convert to fraction form
    64,673,996.40/97,010,994.60 = 60,390,975.60/x
  3. Step 3: Cross multiply
    64,673,996.40x = 97,010,994.60 × 60,390,975.60
  4. Step 4: Simplify right side
    64,673,996.40x = 5,858,588,607,820,332
  5. Step 5: Solve for x
    x = 5,858,588,607,820,332/64,673,996.40
  6. Step 6: Final answer
    x = 90,586,463.40

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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.