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Finding the Fourth Proportional to 235,524.68, 325,025.58 and 128,095.49

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Solution

The fourth proportional to 235,524.68, 325,025.58 and 128,095.49 is: 176,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,524.68 : 325,025.58 = 128,095.49 : x
  2. Step 2: Convert to fraction form
    235,524.68/325,025.58 = 128,095.49/x
  3. Step 3: Cross multiply
    235,524.68x = 325,025.58 × 128,095.49
  4. Step 4: Simplify right side
    235,524.68x = 41,634,309,307.51
  5. Step 5: Solve for x
    x = 41,634,309,307.51/235,524.68
  6. Step 6: Final answer
    x = 176,772.60

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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.