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Finding the Fourth Proportional to 250,085.23, 375,164.74 and 72,569.16

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Solution

The fourth proportional to 250,085.23, 375,164.74 and 72,569.16 is: 108,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,085.23 : 375,164.74 = 72,569.16 : x
  2. Step 2: Convert to fraction form
    250,085.23/375,164.74 = 72,569.16/x
  3. Step 3: Cross multiply
    250,085.23x = 375,164.74 × 72,569.16
  4. Step 4: Simplify right side
    250,085.23x = 27,225,390,043.42
  5. Step 5: Solve for x
    x = 27,225,390,043.42/250,085.23
  6. Step 6: Final answer
    x = 108,864.45

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1.5x scale

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.