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Finding the Fourth Proportional to 251,525.52, 347,128.20 and 144,130.32

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Solution

The fourth proportional to 251,525.52, 347,128.20 and 144,130.32 is: 198,913.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,525.52 : 347,128.20 = 144,130.32 : x
  2. Step 2: Convert to fraction form
    251,525.52/347,128.20 = 144,130.32/x
  3. Step 3: Cross multiply
    251,525.52x = 347,128.20 × 144,130.32
  4. Step 4: Simplify right side
    251,525.52x = 50,031,698,547.02
  5. Step 5: Solve for x
    x = 50,031,698,547.02/251,525.52
  6. Step 6: Final answer
    x = 198,913.01

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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.