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Finding the Fourth Proportional to 190,364.16, 285,675.44 and 101,681.32

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Solution

The fourth proportional to 190,364.16, 285,675.44 and 101,681.32 is: 152,590.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,364.16 : 285,675.44 = 101,681.32 : x
  2. Step 2: Convert to fraction form
    190,364.16/285,675.44 = 101,681.32/x
  3. Step 3: Cross multiply
    190,364.16x = 285,675.44 × 101,681.32
  4. Step 4: Simplify right side
    190,364.16x = 29,047,855,830.78
  5. Step 5: Solve for x
    x = 29,047,855,830.78/190,364.16
  6. Step 6: Final answer
    x = 152,590.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.