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Finding the Fourth Proportional to 57,271,486.80, 85,812,751.80 and 48,768,430.80

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Solution

The fourth proportional to 57,271,486.80, 85,812,751.80 and 48,768,430.80 is: 73,072,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,271,486.80 : 85,812,751.80 = 48,768,430.80 : x
  2. Step 2: Convert to fraction form
    57,271,486.80/85,812,751.80 = 48,768,430.80/x
  3. Step 3: Cross multiply
    57,271,486.80x = 85,812,751.80 × 48,768,430.80
  4. Step 4: Simplify right side
    57,271,486.80x = 4,184,953,247,915,875
  5. Step 5: Solve for x
    x = 4,184,953,247,915,875/57,271,486.80
  6. Step 6: Final answer
    x = 73,072,194.94

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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.