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Finding the Fourth Proportional to 191,337.95, 286,907.48 and 56,384.32

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Solution

The fourth proportional to 191,337.95, 286,907.48 and 56,384.32 is: 84,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,337.95 : 286,907.48 = 56,384.32 : x
  2. Step 2: Convert to fraction form
    191,337.95/286,907.48 = 56,384.32/x
  3. Step 3: Cross multiply
    191,337.95x = 286,907.48 × 56,384.32
  4. Step 4: Simplify right side
    191,337.95x = 16,177,083,162.71
  5. Step 5: Solve for x
    x = 16,177,083,162.71/191,337.95
  6. Step 6: Final answer
    x = 84,547.18

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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.