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Finding the Fourth Proportional to 127,319.34, 175,704.48 and 73,599.60

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Solution

The fourth proportional to 127,319.34, 175,704.48 and 73,599.60 is: 101,569.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,319.34 : 175,704.48 = 73,599.60 : x
  2. Step 2: Convert to fraction form
    127,319.34/175,704.48 = 73,599.60/x
  3. Step 3: Cross multiply
    127,319.34x = 175,704.48 × 73,599.60
  4. Step 4: Simplify right side
    127,319.34x = 12,931,779,446.21
  5. Step 5: Solve for x
    x = 12,931,779,446.21/127,319.34
  6. Step 6: Final answer
    x = 101,569.64

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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.