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Finding the Fourth Proportional to 65,151.60, 97,581.60 and 56,403.60

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Solution

The fourth proportional to 65,151.60, 97,581.60 and 56,403.60 is: 84,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,151.60 : 97,581.60 = 56,403.60 : x
  2. Step 2: Convert to fraction form
    65,151.60/97,581.60 = 56,403.60/x
  3. Step 3: Cross multiply
    65,151.60x = 97,581.60 × 56,403.60
  4. Step 4: Simplify right side
    65,151.60x = 5,503,953,533.76
  5. Step 5: Solve for x
    x = 5,503,953,533.76/65,151.60
  6. Step 6: Final answer
    x = 84,479.18

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1.5x scale

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.