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Finding the Fourth Proportional to 145,688.60, 218,403.30 and 95,792.60

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Solution

The fourth proportional to 145,688.60, 218,403.30 and 95,792.60 is: 143,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,688.60 : 218,403.30 = 95,792.60 : x
  2. Step 2: Convert to fraction form
    145,688.60/218,403.30 = 95,792.60/x
  3. Step 3: Cross multiply
    145,688.60x = 218,403.30 × 95,792.60
  4. Step 4: Simplify right side
    145,688.60x = 20,921,419,955.58
  5. Step 5: Solve for x
    x = 20,921,419,955.58/145,688.60
  6. Step 6: Final answer
    x = 143,603.69

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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.