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Finding the Fourth Proportional to 42,130,233.40, 63,100,871.70 and 42,130,233.40

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Solution

The fourth proportional to 42,130,233.40, 63,100,871.70 and 42,130,233.40 is: 63,100,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,130,233.40 : 63,100,871.70 = 42,130,233.40 : x
  2. Step 2: Convert to fraction form
    42,130,233.40/63,100,871.70 = 42,130,233.40/x
  3. Step 3: Cross multiply
    42,130,233.40x = 63,100,871.70 × 42,130,233.40
  4. Step 4: Simplify right side
    42,130,233.40x = 2,658,454,452,464,455
  5. Step 5: Solve for x
    x = 2,658,454,452,464,455/42,130,233.40
  6. Step 6: Final answer
    x = 63,100,871.70

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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.