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Finding the Fourth Proportional to 180,914.76, 249,677.76 and 100,368.24

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Solution

The fourth proportional to 180,914.76, 249,677.76 and 100,368.24 is: 138,516.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,914.76 : 249,677.76 = 100,368.24 : x
  2. Step 2: Convert to fraction form
    180,914.76/249,677.76 = 100,368.24/x
  3. Step 3: Cross multiply
    180,914.76x = 249,677.76 × 100,368.24
  4. Step 4: Simplify right side
    180,914.76x = 25,059,717,338.34
  5. Step 5: Solve for x
    x = 25,059,717,338.34/180,914.76
  6. Step 6: Final answer
    x = 138,516.71

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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.