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Finding the Fourth Proportional to 153,915.60, 230,484.60 and 101,038.80

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Solution

The fourth proportional to 153,915.60, 230,484.60 and 101,038.80 is: 151,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,915.60 : 230,484.60 = 101,038.80 : x
  2. Step 2: Convert to fraction form
    153,915.60/230,484.60 = 101,038.80/x
  3. Step 3: Cross multiply
    153,915.60x = 230,484.60 × 101,038.80
  4. Step 4: Simplify right side
    153,915.60x = 23,287,887,402.48
  5. Step 5: Solve for x
    x = 23,287,887,402.48/153,915.60
  6. Step 6: Final answer
    x = 151,302.97

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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.