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Finding the Fourth Proportional to 201,177.10, 301,802.10 and 101,085.40

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Solution

The fourth proportional to 201,177.10, 301,802.10 and 101,085.40 is: 151,646.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,177.10 : 301,802.10 = 101,085.40 : x
  2. Step 2: Convert to fraction form
    201,177.10/301,802.10 = 101,085.40/x
  3. Step 3: Cross multiply
    201,177.10x = 301,802.10 × 101,085.40
  4. Step 4: Simplify right side
    201,177.10x = 30,507,785,999.34
  5. Step 5: Solve for x
    x = 30,507,785,999.34/201,177.10
  6. Step 6: Final answer
    x = 151,646.42

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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.