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Finding the Fourth Proportional to 105,244.51, 157,756.51 and 49,038.28

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Solution

The fourth proportional to 105,244.51, 157,756.51 and 49,038.28 is: 73,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,244.51 : 157,756.51 = 49,038.28 : x
  2. Step 2: Convert to fraction form
    105,244.51/157,756.51 = 49,038.28/x
  3. Step 3: Cross multiply
    105,244.51x = 157,756.51 × 49,038.28
  4. Step 4: Simplify right side
    105,244.51x = 7,736,107,909.20
  5. Step 5: Solve for x
    x = 7,736,107,909.20/105,244.51
  6. Step 6: Final answer
    x = 73,506.05

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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.