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Finding the Fourth Proportional to 127,097.30, 175,394.43 and 70,508.67

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Solution

The fourth proportional to 127,097.30, 175,394.43 and 70,508.67 is: 97,302.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,097.30 : 175,394.43 = 70,508.67 : x
  2. Step 2: Convert to fraction form
    127,097.30/175,394.43 = 70,508.67/x
  3. Step 3: Cross multiply
    127,097.30x = 175,394.43 × 70,508.67
  4. Step 4: Simplify right side
    127,097.30x = 12,366,827,984.71
  5. Step 5: Solve for x
    x = 12,366,827,984.71/127,097.30
  6. Step 6: Final answer
    x = 97,302.05

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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.