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Finding the Fourth Proportional to 341,806,496.79, 512,709,751.26 and 83,019,973.05

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Solution

The fourth proportional to 341,806,496.79, 512,709,751.26 and 83,019,973.05 is: 124,529,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,806,496.79 : 512,709,751.26 = 83,019,973.05 : x
  2. Step 2: Convert to fraction form
    341,806,496.79/512,709,751.26 = 83,019,973.05/x
  3. Step 3: Cross multiply
    341,806,496.79x = 512,709,751.26 × 83,019,973.05
  4. Step 4: Simplify right side
    341,806,496.79x = 42,565,149,732,077,400
  5. Step 5: Solve for x
    x = 42,565,149,732,077,400/341,806,496.79
  6. Step 6: Final answer
    x = 124,529,961.05

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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.