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Finding the Fourth Proportional to 244,547.80, 366,931.05 and 118,139.20

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Solution

The fourth proportional to 244,547.80, 366,931.05 and 118,139.20 is: 177,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,547.80 : 366,931.05 = 118,139.20 : x
  2. Step 2: Convert to fraction form
    244,547.80/366,931.05 = 118,139.20/x
  3. Step 3: Cross multiply
    244,547.80x = 366,931.05 × 118,139.20
  4. Step 4: Simplify right side
    244,547.80x = 43,348,940,702.16
  5. Step 5: Solve for x
    x = 43,348,940,702.16/244,547.80
  6. Step 6: Final answer
    x = 177,261.63

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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.