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Finding the Fourth Proportional to 181,054.56, 249,854.96 and 100,483.08

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Solution

The fourth proportional to 181,054.56, 249,854.96 and 100,483.08 is: 138,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,054.56 : 249,854.96 = 100,483.08 : x
  2. Step 2: Convert to fraction form
    181,054.56/249,854.96 = 100,483.08/x
  3. Step 3: Cross multiply
    181,054.56x = 249,854.96 × 100,483.08
  4. Step 4: Simplify right side
    181,054.56x = 25,106,195,934.08
  5. Step 5: Solve for x
    x = 25,106,195,934.08/181,054.56
  6. Step 6: Final answer
    x = 138,666.47

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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.