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Finding the Fourth Proportional to 183,880.90, 253,740.08 and 103,302.10

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Solution

The fourth proportional to 183,880.90, 253,740.08 and 103,302.10 is: 142,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,880.90 : 253,740.08 = 103,302.10 : x
  2. Step 2: Convert to fraction form
    183,880.90/253,740.08 = 103,302.10/x
  3. Step 3: Cross multiply
    183,880.90x = 253,740.08 × 103,302.10
  4. Step 4: Simplify right side
    183,880.90x = 26,211,883,118.17
  5. Step 5: Solve for x
    x = 26,211,883,118.17/183,880.90
  6. Step 6: Final answer
    x = 142,548.16

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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.