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Finding the Fourth Proportional to 161,490,328.65, 242,235,492.98 and 161,490,328.65

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Solution

The fourth proportional to 161,490,328.65, 242,235,492.98 and 161,490,328.65 is: 242,235,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,490,328.65 : 242,235,492.98 = 161,490,328.65 : x
  2. Step 2: Convert to fraction form
    161,490,328.65/242,235,492.98 = 161,490,328.65/x
  3. Step 3: Cross multiply
    161,490,328.65x = 242,235,492.98 × 161,490,328.65
  4. Step 4: Simplify right side
    161,490,328.65x = 39,118,689,371,227,520
  5. Step 5: Solve for x
    x = 39,118,689,371,227,520/161,490,328.65
  6. Step 6: Final answer
    x = 242,235,492.98

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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.