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Finding the Fourth Proportional to 181,308.75, 249,946.23 and 127,426.53

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Solution

The fourth proportional to 181,308.75, 249,946.23 and 127,426.53 is: 175,665.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,308.75 : 249,946.23 = 127,426.53 : x
  2. Step 2: Convert to fraction form
    181,308.75/249,946.23 = 127,426.53/x
  3. Step 3: Cross multiply
    181,308.75x = 249,946.23 × 127,426.53
  4. Step 4: Simplify right side
    181,308.75x = 31,849,780,775.48
  5. Step 5: Solve for x
    x = 31,849,780,775.48/181,308.75
  6. Step 6: Final answer
    x = 175,665.99

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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.