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Finding the Fourth Proportional to 141,953.92, 212,913.60 and 48,457.60

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Solution

The fourth proportional to 141,953.92, 212,913.60 and 48,457.60 is: 72,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,953.92 : 212,913.60 = 48,457.60 : x
  2. Step 2: Convert to fraction form
    141,953.92/212,913.60 = 48,457.60/x
  3. Step 3: Cross multiply
    141,953.92x = 212,913.60 × 48,457.60
  4. Step 4: Simplify right side
    141,953.92x = 10,317,282,063.36
  5. Step 5: Solve for x
    x = 10,317,282,063.36/141,953.92
  6. Step 6: Final answer
    x = 72,680.50

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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.