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Finding the Fourth Proportional to 180,648.96, 249,275.43 and 100,056.30

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Solution

The fourth proportional to 180,648.96, 249,275.43 and 100,056.30 is: 138,066.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,648.96 : 249,275.43 = 100,056.30 : x
  2. Step 2: Convert to fraction form
    180,648.96/249,275.43 = 100,056.30/x
  3. Step 3: Cross multiply
    180,648.96x = 249,275.43 × 100,056.30
  4. Step 4: Simplify right side
    180,648.96x = 24,941,577,206.71
  5. Step 5: Solve for x
    x = 24,941,577,206.71/180,648.96
  6. Step 6: Final answer
    x = 138,066.54

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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.