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Finding the Fourth Proportional to 180,506.58, 249,100.50 and 99,935.40

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Solution

The fourth proportional to 180,506.58, 249,100.50 and 99,935.40 is: 137,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,506.58 : 249,100.50 = 99,935.40 : x
  2. Step 2: Convert to fraction form
    180,506.58/249,100.50 = 99,935.40/x
  3. Step 3: Cross multiply
    180,506.58x = 249,100.50 × 99,935.40
  4. Step 4: Simplify right side
    180,506.58x = 24,893,958,107.70
  5. Step 5: Solve for x
    x = 24,893,958,107.70/180,506.58
  6. Step 6: Final answer
    x = 137,911.64

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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.