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Finding the Fourth Proportional to 56,740,521.40, 85,110,782.10 and 56,740,521.40

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Solution

The fourth proportional to 56,740,521.40, 85,110,782.10 and 56,740,521.40 is: 85,110,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,740,521.40 : 85,110,782.10 = 56,740,521.40 : x
  2. Step 2: Convert to fraction form
    56,740,521.40/85,110,782.10 = 56,740,521.40/x
  3. Step 3: Cross multiply
    56,740,521.40x = 85,110,782.10 × 56,740,521.40
  4. Step 4: Simplify right side
    56,740,521.40x = 4,829,230,153,115,786
  5. Step 5: Solve for x
    x = 4,829,230,153,115,786/56,740,521.40
  6. Step 6: Final answer
    x = 85,110,782.10

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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.