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Finding the Fourth Proportional to 141,953.72, 212,981.58 and 60,866.84

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Solution

The fourth proportional to 141,953.72, 212,981.58 and 60,866.84 is: 91,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,953.72 : 212,981.58 = 60,866.84 : x
  2. Step 2: Convert to fraction form
    141,953.72/212,981.58 = 60,866.84/x
  3. Step 3: Cross multiply
    141,953.72x = 212,981.58 × 60,866.84
  4. Step 4: Simplify right side
    141,953.72x = 12,963,515,752.81
  5. Step 5: Solve for x
    x = 12,963,515,752.81/141,953.72
  6. Step 6: Final answer
    x = 91,322.13

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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.