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Finding the Fourth Proportional to 127,090.48, 175,405.88 and 70,520.08

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Solution

The fourth proportional to 127,090.48, 175,405.88 and 70,520.08 is: 97,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,090.48 : 175,405.88 = 70,520.08 : x
  2. Step 2: Convert to fraction form
    127,090.48/175,405.88 = 70,520.08/x
  3. Step 3: Cross multiply
    127,090.48x = 175,405.88 × 70,520.08
  4. Step 4: Simplify right side
    127,090.48x = 12,369,636,690.07
  5. Step 5: Solve for x
    x = 12,369,636,690.07/127,090.48
  6. Step 6: Final answer
    x = 97,329.37

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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.