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Finding the Fourth Proportional to 127,423.55, 175,840.74 and 70,062.93

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Solution

The fourth proportional to 127,423.55, 175,840.74 and 70,062.93 is: 96,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,423.55 : 175,840.74 = 70,062.93 : x
  2. Step 2: Convert to fraction form
    127,423.55/175,840.74 = 70,062.93/x
  3. Step 3: Cross multiply
    127,423.55x = 175,840.74 × 70,062.93
  4. Step 4: Simplify right side
    127,423.55x = 12,319,917,457.77
  5. Step 5: Solve for x
    x = 12,319,917,457.77/127,423.55
  6. Step 6: Final answer
    x = 96,684.78

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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.