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Finding the Fourth Proportional to 180,920.79, 249,783.95 and 116,502.10

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Solution

The fourth proportional to 180,920.79, 249,783.95 and 116,502.10 is: 160,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,920.79 : 249,783.95 = 116,502.10 : x
  2. Step 2: Convert to fraction form
    180,920.79/249,783.95 = 116,502.10/x
  3. Step 3: Cross multiply
    180,920.79x = 249,783.95 × 116,502.10
  4. Step 4: Simplify right side
    180,920.79x = 29,100,354,388.09
  5. Step 5: Solve for x
    x = 29,100,354,388.09/180,920.79
  6. Step 6: Final answer
    x = 160,845.83

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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.