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Finding the Fourth Proportional to 185,953.74, 256,614.88 and 101,070.80

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Solution

The fourth proportional to 185,953.74, 256,614.88 and 101,070.80 is: 139,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,953.74 : 256,614.88 = 101,070.80 : x
  2. Step 2: Convert to fraction form
    185,953.74/256,614.88 = 101,070.80/x
  3. Step 3: Cross multiply
    185,953.74x = 256,614.88 × 101,070.80
  4. Step 4: Simplify right side
    185,953.74x = 25,936,271,213.50
  5. Step 5: Solve for x
    x = 25,936,271,213.50/185,953.74
  6. Step 6: Final answer
    x = 139,477.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.