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Finding the Fourth Proportional to 181,106.76, 249,925.14 and 100,534.92

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Solution

The fourth proportional to 181,106.76, 249,925.14 and 100,534.92 is: 138,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,106.76 : 249,925.14 = 100,534.92 : x
  2. Step 2: Convert to fraction form
    181,106.76/249,925.14 = 100,534.92/x
  3. Step 3: Cross multiply
    181,106.76x = 249,925.14 × 100,534.92
  4. Step 4: Simplify right side
    181,106.76x = 25,126,203,955.89
  5. Step 5: Solve for x
    x = 25,126,203,955.89/181,106.76
  6. Step 6: Final answer
    x = 138,736.97

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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.