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Finding the Fourth Proportional to 58,461,645.60, 87,692,468.40 and 18,072,064.80

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Solution

The fourth proportional to 58,461,645.60, 87,692,468.40 and 18,072,064.80 is: 27,108,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,461,645.60 : 87,692,468.40 = 18,072,064.80 : x
  2. Step 2: Convert to fraction form
    58,461,645.60/87,692,468.40 = 18,072,064.80/x
  3. Step 3: Cross multiply
    58,461,645.60x = 87,692,468.40 × 18,072,064.80
  4. Step 4: Simplify right side
    58,461,645.60x = 1,584,783,971,396,752.50
  5. Step 5: Solve for x
    x = 1,584,783,971,396,752.50/58,461,645.60
  6. Step 6: Final answer
    x = 27,108,097.20

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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.