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Finding the Fourth Proportional to 201,172.90, 277,503.15 and 125,590.18

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Solution

The fourth proportional to 201,172.90, 277,503.15 and 125,590.18 is: 173,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,172.90 : 277,503.15 = 125,590.18 : x
  2. Step 2: Convert to fraction form
    201,172.90/277,503.15 = 125,590.18/x
  3. Step 3: Cross multiply
    201,172.90x = 277,503.15 × 125,590.18
  4. Step 4: Simplify right side
    201,172.90x = 34,851,669,931.12
  5. Step 5: Solve for x
    x = 34,851,669,931.12/201,172.90
  6. Step 6: Final answer
    x = 173,242.37

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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.