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Finding the Fourth Proportional to 157,000.84, 216,585.02 and 93,293.52

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Solution

The fourth proportional to 157,000.84, 216,585.02 and 93,293.52 is: 128,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,000.84 : 216,585.02 = 93,293.52 : x
  2. Step 2: Convert to fraction form
    157,000.84/216,585.02 = 93,293.52/x
  3. Step 3: Cross multiply
    157,000.84x = 216,585.02 × 93,293.52
  4. Step 4: Simplify right side
    157,000.84x = 20,205,978,895.07
  5. Step 5: Solve for x
    x = 20,205,978,895.07/157,000.84
  6. Step 6: Final answer
    x = 128,699.81

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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.