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Finding the Fourth Proportional to 65,398,249.45, 98,096,882.04 and 16,871,978.08

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Solution

The fourth proportional to 65,398,249.45, 98,096,882.04 and 16,871,978.08 is: 25,307,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,398,249.45 : 98,096,882.04 = 16,871,978.08 : x
  2. Step 2: Convert to fraction form
    65,398,249.45/98,096,882.04 = 16,871,978.08/x
  3. Step 3: Cross multiply
    65,398,249.45x = 98,096,882.04 × 16,871,978.08
  4. Step 4: Simplify right side
    65,398,249.45x = 1,655,088,443,495,225.50
  5. Step 5: Solve for x
    x = 1,655,088,443,495,225.50/65,398,249.45
  6. Step 6: Final answer
    x = 25,307,840.15

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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.