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Finding the Fourth Proportional to 194,707.65, 291,569.40 and 155,341.65

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Solution

The fourth proportional to 194,707.65, 291,569.40 and 155,341.65 is: 232,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,707.65 : 291,569.40 = 155,341.65 : x
  2. Step 2: Convert to fraction form
    194,707.65/291,569.40 = 155,341.65/x
  3. Step 3: Cross multiply
    194,707.65x = 291,569.40 × 155,341.65
  4. Step 4: Simplify right side
    194,707.65x = 45,292,871,685.51
  5. Step 5: Solve for x
    x = 45,292,871,685.51/194,707.65
  6. Step 6: Final answer
    x = 232,619.89

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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.