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Finding the Fourth Proportional to 181,054.29, 249,884.97 and 105,602.79

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Solution

The fourth proportional to 181,054.29, 249,884.97 and 105,602.79 is: 145,749.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,054.29 : 249,884.97 = 105,602.79 : x
  2. Step 2: Convert to fraction form
    181,054.29/249,884.97 = 105,602.79/x
  3. Step 3: Cross multiply
    181,054.29x = 249,884.97 × 105,602.79
  4. Step 4: Simplify right side
    181,054.29x = 26,388,550,011.07
  5. Step 5: Solve for x
    x = 26,388,550,011.07/181,054.29
  6. Step 6: Final answer
    x = 145,749.38

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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.