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Finding the Fourth Proportional to 124,615.60, 171,946.51 and 70,897.48

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Solution

The fourth proportional to 124,615.60, 171,946.51 and 70,897.48 is: 97,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,615.60 : 171,946.51 = 70,897.48 : x
  2. Step 2: Convert to fraction form
    124,615.60/171,946.51 = 70,897.48/x
  3. Step 3: Cross multiply
    124,615.60x = 171,946.51 × 70,897.48
  4. Step 4: Simplify right side
    124,615.60x = 12,190,574,253.79
  5. Step 5: Solve for x
    x = 12,190,574,253.79/124,615.60
  6. Step 6: Final answer
    x = 97,825.43

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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.