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Finding the Fourth Proportional to 291,070.84, 436,661.76 and 101,585.33

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Solution

The fourth proportional to 291,070.84, 436,661.76 and 101,585.33 is: 152,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,070.84 : 436,661.76 = 101,585.33 : x
  2. Step 2: Convert to fraction form
    291,070.84/436,661.76 = 101,585.33/x
  3. Step 3: Cross multiply
    291,070.84x = 436,661.76 × 101,585.33
  4. Step 4: Simplify right side
    291,070.84x = 44,358,428,987.98
  5. Step 5: Solve for x
    x = 44,358,428,987.98/291,070.84
  6. Step 6: Final answer
    x = 152,397.36

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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.