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Finding the Fourth Proportional to 127,062.42, 175,345.53 and 70,473.80

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Solution

The fourth proportional to 127,062.42, 175,345.53 and 70,473.80 is: 97,253.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,062.42 : 175,345.53 = 70,473.80 : x
  2. Step 2: Convert to fraction form
    127,062.42/175,345.53 = 70,473.80/x
  3. Step 3: Cross multiply
    127,062.42x = 175,345.53 × 70,473.80
  4. Step 4: Simplify right side
    127,062.42x = 12,357,264,935.39
  5. Step 5: Solve for x
    x = 12,357,264,935.39/127,062.42
  6. Step 6: Final answer
    x = 97,253.50

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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.