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Finding the Fourth Proportional to 161,316, 222,590.16 and 93,332.16

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Solution

The fourth proportional to 161,316, 222,590.16 and 93,332.16 is: 128,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,316 : 222,590.16 = 93,332.16 : x
  2. Step 2: Convert to fraction form
    161,316/222,590.16 = 93,332.16/x
  3. Step 3: Cross multiply
    161,316x = 222,590.16 × 93,332.16
  4. Step 4: Simplify right side
    161,316x = 20,774,820,427.55
  5. Step 5: Solve for x
    x = 20,774,820,427.55/161,316
  6. Step 6: Final answer
    x = 128,783.38

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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.