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Finding the Fourth Proportional to 169,347.36, 233,688 and 97,730.40

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Solution

The fourth proportional to 169,347.36, 233,688 and 97,730.40 is: 134,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,347.36 : 233,688 = 97,730.40 : x
  2. Step 2: Convert to fraction form
    169,347.36/233,688 = 97,730.40/x
  3. Step 3: Cross multiply
    169,347.36x = 233,688 × 97,730.40
  4. Step 4: Simplify right side
    169,347.36x = 22,838,421,715.20
  5. Step 5: Solve for x
    x = 22,838,421,715.20/169,347.36
  6. Step 6: Final answer
    x = 134,861.40

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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.