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Finding the Fourth Proportional to 168,810.88, 232,955.04 and 93,357.76

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Solution

The fourth proportional to 168,810.88, 232,955.04 and 93,357.76 is: 128,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,810.88 : 232,955.04 = 93,357.76 : x
  2. Step 2: Convert to fraction form
    168,810.88/232,955.04 = 93,357.76/x
  3. Step 3: Cross multiply
    168,810.88x = 232,955.04 × 93,357.76
  4. Step 4: Simplify right side
    168,810.88x = 21,748,160,715.11
  5. Step 5: Solve for x
    x = 21,748,160,715.11/168,810.88
  6. Step 6: Final answer
    x = 128,831.51

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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.