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Finding the Fourth Proportional to 157,019.63, 216,594.74 and 93,353.63

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Solution

The fourth proportional to 157,019.63, 216,594.74 and 93,353.63 is: 128,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,019.63 : 216,594.74 = 93,353.63 : x
  2. Step 2: Convert to fraction form
    157,019.63/216,594.74 = 93,353.63/x
  3. Step 3: Cross multiply
    157,019.63x = 216,594.74 × 93,353.63
  4. Step 4: Simplify right side
    157,019.63x = 20,219,904,368.32
  5. Step 5: Solve for x
    x = 20,219,904,368.32/157,019.63
  6. Step 6: Final answer
    x = 128,773.10

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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.