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Finding the Fourth Proportional to 64,676,880, 89,254,172.16 and 35,703,504

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Solution

The fourth proportional to 64,676,880, 89,254,172.16 and 35,703,504 is: 49,270,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,676,880 : 89,254,172.16 = 35,703,504 : x
  2. Step 2: Convert to fraction form
    64,676,880/89,254,172.16 = 35,703,504/x
  3. Step 3: Cross multiply
    64,676,880x = 89,254,172.16 × 35,703,504
  4. Step 4: Simplify right side
    64,676,880x = 3,186,686,692,731,248.50
  5. Step 5: Solve for x
    x = 3,186,686,692,731,248.50/64,676,880
  6. Step 6: Final answer
    x = 49,270,878.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.