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Finding the Fourth Proportional to 52,893,313.60, 79,339,970.40 and 18,815,771.20

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Solution

The fourth proportional to 52,893,313.60, 79,339,970.40 and 18,815,771.20 is: 28,223,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,893,313.60 : 79,339,970.40 = 18,815,771.20 : x
  2. Step 2: Convert to fraction form
    52,893,313.60/79,339,970.40 = 18,815,771.20/x
  3. Step 3: Cross multiply
    52,893,313.60x = 79,339,970.40 × 18,815,771.20
  4. Step 4: Simplify right side
    52,893,313.60x = 1,492,842,730,061,172.50
  5. Step 5: Solve for x
    x = 1,492,842,730,061,172.50/52,893,313.60
  6. Step 6: Final answer
    x = 28,223,656.80

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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.