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Finding the Fourth Proportional to 42,125,595.90, 63,093,915.45 and 42,125,595.90

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Solution

The fourth proportional to 42,125,595.90, 63,093,915.45 and 42,125,595.90 is: 63,093,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,125,595.90 : 63,093,915.45 = 42,125,595.90 : x
  2. Step 2: Convert to fraction form
    42,125,595.90/63,093,915.45 = 42,125,595.90/x
  3. Step 3: Cross multiply
    42,125,595.90x = 63,093,915.45 × 42,125,595.90
  4. Step 4: Simplify right side
    42,125,595.90x = 2,657,868,785,995,466.50
  5. Step 5: Solve for x
    x = 2,657,868,785,995,466.50/42,125,595.90
  6. Step 6: Final answer
    x = 63,093,915.45

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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.