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Finding the Fourth Proportional to 116,038.65, 174,066.88 and 49,479.13

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Solution

The fourth proportional to 116,038.65, 174,066.88 and 49,479.13 is: 74,222.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,038.65 : 174,066.88 = 49,479.13 : x
  2. Step 2: Convert to fraction form
    116,038.65/174,066.88 = 49,479.13/x
  3. Step 3: Cross multiply
    116,038.65x = 174,066.88 × 49,479.13
  4. Step 4: Simplify right side
    116,038.65x = 8,612,677,784.21
  5. Step 5: Solve for x
    x = 8,612,677,784.21/116,038.65
  6. Step 6: Final answer
    x = 74,222.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.