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Finding the Fourth Proportional to 42,126,119.40, 59,056,193.40 and 42,126,119.40

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Solution

The fourth proportional to 42,126,119.40, 59,056,193.40 and 42,126,119.40 is: 59,056,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,126,119.40 : 59,056,193.40 = 42,126,119.40 : x
  2. Step 2: Convert to fraction form
    42,126,119.40/59,056,193.40 = 42,126,119.40/x
  3. Step 3: Cross multiply
    42,126,119.40x = 59,056,193.40 × 42,126,119.40
  4. Step 4: Simplify right side
    42,126,119.40x = 2,487,808,254,477,892
  5. Step 5: Solve for x
    x = 2,487,808,254,477,892/42,126,119.40
  6. Step 6: Final answer
    x = 59,056,193.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.