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Finding the Fourth Proportional to 186,170.04, 256,915.26 and 101,287.08

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Solution

The fourth proportional to 186,170.04, 256,915.26 and 101,287.08 is: 139,776.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,170.04 : 256,915.26 = 101,287.08 : x
  2. Step 2: Convert to fraction form
    186,170.04/256,915.26 = 101,287.08/x
  3. Step 3: Cross multiply
    186,170.04x = 256,915.26 × 101,287.08
  4. Step 4: Simplify right side
    186,170.04x = 26,022,196,492.84
  5. Step 5: Solve for x
    x = 26,022,196,492.84/186,170.04
  6. Step 6: Final answer
    x = 139,776.50

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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.